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A-Day Test 1 Review

Total questions: 200

Worksheet time: 19hrs 18mins

Name
Class
Date
1.

David, Nora, and Aria are organizing their science project results. They want to arrange their data in rows and columns to clearly represent the variables. What is this arrangement called?

a)

data table

b)

constant

c)

hypothesis

d)

graph

2.

Maya, Hannah, and Aria are working on a science project. They want to show the relationship between different variables in a fun and visual way. What should they use?

a)

independent variable

b)

constant

c)

hypothesis

d)

graph

3.

Charlotte and Daniel are setting up a cool science experiment. They want to make a statement predicting what will happen before they start. What is this statement called?

a)

independent variable

b)

constant

c)

hypothesis

d)

control group

4.

Maya and Noah are conducting an experiment and want to know what they should measure to see the results. What is the measurable effect of the experiment—the data they collect? WHAT ARE THEY MEASURING?

a)

data table

b)

constant

c)

dependent variable

d)

graph

5.

Scarlett, Sophia, and Olivia are conducting an experiment. Which group are they observing if it is not exposed to the treatment?

a)

control group

b)

trial

c)

dependent variable

d)

inference

6.

Zoe, Samuel, and Scarlett are curious about how scientists solve mysteries! They decide to use a special process involving observation, hypothesis, experiment, and conclusion. What is this method called?

a)

control group

b)

trial

c)

Scientific Method

d)

inference

7.

Liam, Maya, and Anika are working on a science project. They collect facts, results, and statistics to analyze their experiment. What are these pieces of information called?

a)

control group

b)

trial

c)

Scientific Method

d)

data

8.

Imagine Lily and Benjamin are conducting a science experiment. The factor(s) in their experiment that are changed—the variable(s) they're curious about—are called what?

a)

control group

b)

trial

c)

independent variable

d)

data

9.

Grace and Benjamin are conducting an experiment. They notice that one factor stays the same throughout the whole process. What is this unchanging factor called?

a)

constant

b)

trial

c)

independent variable

d)

data

10.

Imagine Harper and Avery are in a science lab, using their senses and cool tools to discover something new. What is the action or process they are doing?

a)

constant

b)

observation

c)

independent variable

d)

data

11.

James and Aria are helping a company test a brand new dog food that claims to help chubby pups slim down! They pick 50 dogs to try the new food, while 50 other dogs stick to their usual meals. After a month, they check to see which dogs have shed some pounds. What is the independent variable in this fun experiment?

a)

amount of dog food

b)

type of dog food

c)

the weight of the dog

d)

the breed of the dog

12.

Zoe and Michael are helping a company test a brand new dog food that's supposed to help chubby pups slim down! They pick 50 dogs to try the new food, while 50 other dogs stick to their usual meals. After a month of tail wags and tasty bites, they check to see if the dogs have lost any weight. What is the dependent variable in this fun experiment?

a)

amount of dog food

b)

type of dog food

c)

the weight of the dog

d)

the breed of the dog

13.

James and Arjun are curious scientists! They decide to see what happens if one of their cows, Daisy, gets a special growth hormone, while another cow, Bella, does not. After 2 years, they weigh both cows. What is the independent variable in James and Arjun's experiment?

a)

the amount of hormone given

b)

the weight of the cow

c)

the type of cow tested

d)

the type of hormone tested

14.

Emma and William are curious scientists! Emma gives her cow a special growth hormone, while William's cow doesn't get any. After 2 years, they both weigh their cows to see what happens. What is the dependent variable in this fun farm experiment?

a)

the amount of hormone given

b)

the weight of the cow

c)

the type of cow tested

d)

the type of hormone tested

15.

Elijah, Grace, and Jackson, who are all different ages, were each given the same puzzle to solve. They raced to see who could finish the puzzle the fastest! What is the IV?

a)

Student ages

b)

The puzzle

c)

The time it takes to complete

d)

None of the above

16.

Ethan, Maya, and Daniel, each at different ages, were challenged to complete the same tricky puzzle. They raced against the clock to see who could finish first! What is the IV (independent variable) in this fun experiment?

a)

Student ages

b)

The puzzle

c)

The time it takes to complete

d)

None of the above

17.

Isla, Charlotte, and Nora, who are all different ages, were challenged to complete the same puzzle. They raced against the clock to see who could finish first! What is the dependent variable (DV) in this fun experiment?

a)

Student ages

b)

The puzzle

c)

Time to finish the puzzle

d)

None of the above

18.

William, Mia, and Anika, who are all different ages, were each given the same tricky puzzle to solve. They raced against the clock to see who could finish it the fastest! In this experiment, what is the control?

a)

Student ages

b)

The puzzle

c)

Time it takes to finish the puzzle

d)

None of the above

19.

Mia, William, and Ava are curious scientists! They set up a plant experiment to discover how different drinks affect plant growth. Each plant gets a special drink: water, apple juice, or milk. All the plants have the same amount of soil, sunlight, and even listen to the same music playlist. In this fun investigation, what is the independent variable?

a)

type of plant

b)

plant growth

c)

the liquid the plant is given

d)

the amount of sunlight

20.

Aria, Nora, and Elijah are curious scientists! They set up a fun experiment to see how different drinks affect how tall their plants grow. Each of their plants gets a special drink: water, apple juice, or milk. All the plants have the same soil, sunlight, and even listen to the same music playlist. In this investigation, what is the dependent variable?

a)

type of plant

b)

plant growth

c)

the liquid the plant is given

d)

the amount of sunlight

21.

Charlotte, Nora, and Aiden are curious scientists! They set up a fun experiment to see how different drinks affect plant growth. Each of their plants gets a special drink: water, apple juice, or milk. All the plants have the same amount of soil, sunlight, and even listen to the same music playlist. In this investigation, what is the control?

a)

type of plant

b)

plant growth

c)

the liquid the plant is given

d)

the amount of sunlight, soil, and music

22.

Grace and Maya are curious scientists testing how different temperatures affect the rate of a chemical reaction in their lab. What is the dependent variable in their experiment?

a)

Temperature

b)

Rate of the chemical reaction

c)

Type of chemical used

d)

Volume of the chemical

23.

Abigail and Samuel are conducting a science experiment to see how different temperatures affect the speed of a chemical reaction. What is the dependent variable in their experiment?

a)

Temperature

b)

Rate of the chemical reaction

c)

Type of chemical used

d)

Volume of the chemical

24.

Imagine Priya and Anika are doing a science experiment. Which of the following best describes how the independent variable and the dependent variable interact in their experiment?

a)

The independent variable is changed to observe its effect on the dependent variable.

b)

The dependent variable is changed to observe its effect on the independent variable.

c)

Both variables are changed simultaneously.

d)

Neither variable is changed.

25.

Elijah, Maya, and Michael are curious to see how their sleep habits affect their test scores. In their experiment, what would be the independent variable?

a)

Test scores

b)

Amount of sleep

c)

Type of test

d)

Time of day the test is taken

26.

Hannah, Kai, and Arjun are curious to find out how different types of music affect their ability to concentrate while studying. If they set up an experiment to test this, what would be the best dependent variable to measure?

a)

Type of music

b)

Volume of music

c)

Concentration levels

d)

Duration of the experiment

27.

Ethan, David, and Liam are running a science experiment to see which fertilizer helps their plants grow the tallest. Every week, they measure how tall their plants have grown. What is the dependent variable in their experiment?

a)

Type of fertilizer

b)

Height of the plants

c)

Amount of water

d)

Type of plants

28.

Maya, Jackson, and Liam want to find out how different amounts of exercise affect their heart rates after gym class. If they change how much they exercise, which of the following is the independent variable in their experiment?

a)

Heart rate

b)

Amount of exercise

c)

Type of exercise

d)

Age of participants

29.

Michael, Lily, and Aria are curious scientists! They want to find out how different amounts of water affect how tall their plants grow. In their experiment, what is the dependent variable?

a)

Amount of water

b)

Type of plant

c)

Growth of the plant

d)

Type of soil

30.

Olivia and Kai are conducting a science experiment to see how temperature affects how much of a mystery powder can dissolve in water. In their experiment, what would be the dependent variable?

a)

Temperature

b)

Solubility of the substance

c)

Type of substance

d)

Volume of solvent

31.

Nora found a stick that measures 216 m long. How many significant figures are there in her measurement?

a)

1

b)

2

c)

3

d)

0

32.

Liam found a measuring tape that reads 2016 m. Can you help Liam figure out how many significant figures are in this measurement?

a)

1

b)

2

c)

3

d)

4

33.

Ava is measuring a liquid in her science class and records a volume of 153.0 mL. How many significant figures are in Ava's measurement?

a)

1

b)

2

c)

3

d)

4

34.

James and Abigail are measuring the length of a tiny race track, and they find it to be 0.012 km. How many significant figures does their measurement have?

a)

1

b)

2

c)

3

d)

4

35.

Avery is measuring out a liquid in the lab and records a volume of 1000 mL. How many significant figures does Avery's measurement have?

a)

1

b)

2

c)

3

d)

4

36.

Abigail and Liam are in a science lab, and they come across a beaker labeled 100.000 cL. They start debating about how many significant figures are in that measurement. Can you help them settle the debate? How many significant figures are in 100.000 cL?

a)

1

b)

3

c)

5

d)

6

37.

Anika found a tiny sample in the lab that weighed 0.001 g. Can you help her figure out how many significant figures are in her measurement?

a)

4

b)

3

c)

2

d)

1

38.

Anika is measuring the length of her pencil and notes it as 4.20 cm. Can you help Anika figure out how many significant figures are in her measurement?

a)

1

b)

2

c)

3

d)

4

39.

Rohan is measuring the volume of a mysterious liquid and notes down 0.010 L. Can you help Rohan figure out how many significant figures are in his measurement?

a)

1

b)

2

c)

3

d)

4

40.

Luna and Abigail are measuring the length of a playground and record it as 450 m. How many significant figures does their measurement have?

a)

3

b)

2

c)

1

d)

0

41.

Ethan just found a treasure chest with a note that says: "The number inside is 100000000." Can you help Ethan figure out how many significant figures are in this number?
100000000

a)

1

b)

9

c)

10

42.

Ethan and Aria are in a science lab, and they spot the number 0.000008 written on the board. They start debating: How many significant figures does this mysterious number have?
0.000008

a)

1

b)

2

c)

6

d)

7

43.

Aiden and Evelyn are in a friendly competition to see who can count significant figures the fastest! Can you help them out? How many significant figures does the following number have: 0.002040

a)

6

b)

4

c)

3

d)

2

44.

Aria found a treasure chest with 1009 gold coins! She wants to round the number of coins to three significant figures before sharing the news with her friends. What number should Aria report?

a)

100

b)

101

c)

1010

d)

1000

45.

Aria and Noah are in a math contest! They need to round the number 1047.78 to three significant figures. Can you help them out?

a)

104

b)

105

c)

1050

d)

1050.00

46.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
47.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
48.
Write 0.000972 in scientific notation.
a)
9.72 x 10-4
b)
9.72 x 10-3
c)
972 x 10-4
d)
9.72 x 104
49.
Write 0.037 in scientific notation.
a)
3.7 x 10-2
b)
3.7 x 102
c)
37 x 10-3
d)
37 x 103
50.
Write 2.08 x 102  in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
51.
How would you write 50,000 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
52.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
53.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
54.
Write 3.2 x 103 in standard form.
a)
3.200
b)
3200
c)
32000
d)
.0032
55.
Light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.
a)
1.86 x 105
b)
1.86 x 104
c)
18.6 x 104
d)
186 x 103
56.
The closest galaxy to our own is over 2,500,000 light years away.  Write this number is scientific notation.
a)
2.5 x 107
b)
.25 x 107
c)
25 x 105
d)
2.5 x 106
57.
Write 46.3 x 104 in scientific notation.
a)
It is in scientific notation.
b)
.463 x 106
c)
4.63 x 105
d)
4.63 x 104
58.
Write this number in standard form:  7.7 x 109
a)
7,700,000,000
b)
7,700,000
c)
7,000,000.000
d)
70,000,000,000
59.
Write 4.8 x 100 in standard form.
a)
What?
b)
480
c)
4.8
d)
48
60.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
61.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
62.
Change from standard form to scientific notation: 0.004078
a)
4.078  x  10-3
b)
4.078  x  103
c)
40.78  x  10-4
d)
.4078  x  10-2
63.
Try to change the number back to standard form:  6.79  x  104
a)
679,000
b)
6,790
c)
67,900
d)
6,790,000
64.

Which of the following would be considered a physical change?

a)

Cutting paper

b)

pH test

c)

Burning marshmellow

d)

Roasting a Turkey

65.

Which of the following would be considered a physical property?

a)

Colour

b)

Flammability

c)

pH

d)

Reactivity

66.
No Definite Shape and No Definite Volume
a)
Gas
b)
Liquid
c)
Solid
67.
Phase change from a solid to a gas.
a)
sublimation
b)
deposition
c)
condensation
d)
evaporation
68.

lighting a match

a)

physcial change

b)

chemical change

69.

an ice cube melting in a glass

a)

physcial change

b)

chemical change

70.

frying an egg

a)

physcial change

b)

chemical change

71.

fireworks exploding and producing bright colors

a)

physcial change

b)

chemical change

72.

salt dissolving in water

a)

physical change

b)

chemical change

73.

wood burning

a)

physical change

b)

chemical change

74.

breaking a glass bottle into little pieces

a)

physical change

b)

chemical change

75.

cutting a slice of bread from a loaf

a)

physical change

b)

chemical change

76.

baking a cupcake

a)

physcial change

b)

chemical change

77.

cutting a hard boiled egg

a)

physcial change

b)

chemical change

78.

fireworks exploding and producing bright colors

a)

physcial change

b)

chemical change

79.

lighting a match

a)

physcial change

b)

chemical change

80.

an ice cube melting in a glass

a)

physcial change

b)

chemical change

81.

frying an egg

a)

physcial change

b)

chemical change

82.
Which is a way that a piece of paper can go through a chemical change?
a)
fold the paper in half
b)
soak the paper in water
c)
burn the paper with fire
d)
cut the paper with scissors
83.
Which of these is an example of a new substance being formed?
a)
a nail rusting
b)
a wall being painted
c)
water changing to steam
d)
paper being folded
84.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
85.
Glass bottle that is shattered
a)
Chemical Change
b)
Physical Change
86.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
87.

Which of the following are examples of a Chemical Change?

a)

Iron Rusting

b)

Gas Burning

c)

Breaking a glass

d)

Boiling water

e)

Burning Wood

88.
Sodium Hydroxide dissolves in water
a)
Chemical Change
b)
Physical Change
89.
Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.
a)
Chemical Change
b)
Physical Change
90.
Sugar dissolves in water
a)
Chemical Change
b)
Physical Change
91.
A pellet of sodium is sliced in two
a)
Chemical change
b)
Physical Change
92.

A physical change _____________ the identity of the substance.

a)

changes

b)

maintains

93.

A chemical change _____________ the identity of the substance.

a)

changes

b)

maintains

94.

Color change like in a drop of food coloring in water, is a _________ change.

a)

physical

b)

chemical

95.

Copper tarnishing is an example of a ___________ change.

a)

physical

b)

chemical

96.

which of these example is a physical change?

a)
b)
c)
d)
97.
3. A glass breaks.
 Physical Change
 Chemical Change
a)
 Physical Change
b)
 Chemical Change
98.
8. Water boils at 100 degrees Celsius
 
a)
Physical Change
b)
Chemical Change
99.

Which process is an example of a physical change?

a)

Cutting Carrots into pieces and mixed in a salad

b)

A peanut butter and jelly sandwich being digested

c)

Sodium metal and water combining to form a compound and a gas

d)

Sodium metal and chlorine gas combined to form table salt

100.

Which process is a sign of a chemical change?

a)

A rotting potato gives off a bad smell

b)

A melting block of ice leaves a large puddle

c)

A cloud quickly changes shape when blown by wind

d)

A plaster statue breaks when it falls onto the floor

101.

Which of the following is an example of a control variable in a scientific experiment?

a)

The color of the leaves

b)

The height of the plant

c)

The type of fertilizer used

d)

The amount of water given to each plant

102.

How many significant figures are in the measurement 0.03050 g?

a)

2

b)

3

c)

4

d)

5

103.

In an experiment testing the effect of light intensity on the rate of photosynthesis, what is the independent variable?

a)

Light intensity

b)

Type of plant

c)

Temperature of the room

d)

Amount of oxygen produced

104.

Jackson and Zoe are measuring the mass of a rock and record it as 0.0450 kg. How many significant figures are in their measurement?

a)

2

b)

5

c)

3

d)

4

105.

Ella and Lucas are testing how the amount of sunlight affects the number of flowers a plant produces. What is the dependent variable in their experiment?

a)

Amount of sunlight

b)

Number of flowers produced

c)

Type of plant

d)

Amount of water

106.

Write 5,600,000 in scientific notation.

a)

5.6 x 106

b)

0.56 x 107

c)

5.6 x 105

d)

56 x 105

107.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
108.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
109.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
110.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
111.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
112.
Boiling Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
113.
Odor: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
114.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
115.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
116.
which one is the definition of chemical property?
a)
a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
b)
any change that results in the formation of new chemical substances
c)
combustibility
117.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
118.

The ability to hammered into a thin sheet or be bent is

a)

Ductility

b)

Solubility

c)

Density

d)

Malleability

119.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
120.

Glass breaking

a)

Physical Change

b)

Chemical Change

121.

A rusting bicycle

a)

Physical Change

b)

Chemical Change

122.

Melting butter for popcorn

a)

Physical Change

b)

Chemical Change

123.

Freezing chocolate-covered bananas

a)

Physical Change

b)

Chemical Change

124.

Separating sand from gravel

a)

Physical Change

b)

Chemical Change

125.

Spoiling food

a)

Physical Change

b)

Chemical Change

126.

Burning toast

a)

Physical Change

b)

Chemical Change

127.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
128.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
129.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
130.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
131.
Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
132.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
133.
Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
134.
When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have
a)
Three significant figures
b)
One decimal place
c)
Two decimal places
d)
Three decimal places
135.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
136.
Calculate 123000 m x 3234 m and give your answer with the appropriate number of significant figures.
a)
3.97 x 10-7 m2
b)
39800000 m2
c)
398 m2
d)
3.98 x 108 m2
137.
Calculate 923 g ÷ 20312 cm3 and give your answer with the appropriate number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
4 x 10-2 g/cm3
138.
Calculate 12.47 m ÷ 3.2 s and give your answer with the appropriate number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
139.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the appropriate number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
140.

How many sig figs are in 1010?

a)

1

b)

2

c)

3

d)

4

141.

Identify the number of sig figs in 0.0810.

a)

2

b)

3

c)

4

d)

5

142.

Which answer is rounded to the correct place for the equation below?

292.92 / .0024 = 121750.0

a)

121750.0

b)

121800

c)

122000

d)

120000

143.

How many significant figures are in the number? 4.06 x 10-5 m

a)

3

b)

7

c)

5

d)

unknown

144.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

145.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

146.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

147.

What is 7.555 rounded to two significant figures?

a)

7.6

b)

7.5

c)

70

d)

76

e)

7.60

148.
Round 52689 to 3 significant figures.
a)
526
b)
527
c)
52600
d)
52700
149.
Round 0.00258954 to 4 significant figures.
a)
0.0025
b)
0.002589
c)
0.002580
d)
0.002590
150.
Round 1235 to 2 significant figures.
a)
12
b)
1200
c)
1200.
d)
1200.00
151.

Round the following value to one significant figure...


8291

a)

8000

b)

9000

c)

7000

d)

8300

152.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

153.

Round 509.96 to 4 significant figures

a)

509.9

b)

509.0

c)

510.0

d)

510

154.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

e)

1

155.

Round 509.96 to 4 significant figures

a)

509.9

b)

509.0

c)

510.0

d)

510

156.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

157.

What is 375.6523 to four significant figures?

a)

375.0

b)

375.00

c)

375.7

d)

375.6

158.

Round 1047.78 to three significant figures.

a)

104

b)

105

c)

1050

d)

1050.00

159.

Round 1099 to three significant figures.

a)

1.10 x 103

b)

101

c)

1010

d)

1,000

e)

1100

160.

What is 7.555 rounded to two significant figures?

a)

7.6

b)

7.5

c)

70

d)

76

e)

7.60

161.

Round the following value to one significant figure...


15

a)

10

b)

20

c)

100

d)

2

162.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
163.
Round 7256.320004 to 8 significant figures.
a)
7256.3200
b)
7256.0000
c)
72563200
d)
72560000
164.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

165.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

166.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

167.
Round 52689 to 3 significant figures.
a)
526
b)
527
c)
52600
d)
52700
168.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
169.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
170.
How many significant figures: 4.20 cm
a)
1
b)
2
c)
3
d)
4
171.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
172.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

173.
How many sig figs are there?
0.000008
a)
1
b)
2
c)
6
d)
7
174.
How many sig figs are there?
27000000
a)
2
b)
5
c)
8
175.

How many significant figures are there in 1008 grams?

a)

1

b)

2

c)

3

d)

4

176.
Solve and give your answer with the correct number of significant figures
(12.470)(271)
a)
3366.9
b)
3.37x103
c)
3400
d)
3370
177.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
178.
state of matter with a fixed shape; does not take the shape of its container
a)
solid
b)
liquid
c)
gas
d)
water
179.
state of matter that can be poured; takes the shape of its container
a)
solid
b)
liquid
c)
gas
180.
state of matter that spreads out to completely fill its container
a)
solid
b)
liquid
c)
gas
d)
water
181.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
182.

Matter that has its own shape and takes up space is a _______.

a)
solid
b)
liquid
c)
gas
183.

Matter that always fills the shape in a container, such as air is a _______.

a)
solid
b)
liquid
c)
gas
184.

Milk takes the shape of its container because it is a _______.

a)
solid
b)
liquid
c)
gas
185.

Molecules are closest together in a _______.

a)
Solid
b)
Liquid
c)
Gas
d)
plasma
186.
What term describes a liquid changing to a solid?
a)

Freezing

b)

Melting

187.

At higher temperatures _________.

a)
particles in an object have less energy
b)
particles in an object move faster
188.

A gas has _________.

a)

has a definite shape and volume

b)

fast-moving particles

189.

Boiling changes from a _________.

a)

liquid to a gas

b)

gas to a solid

c)

liquid to a solid

190.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
191.

A desk is which of the following states of matter?

a)

solid

b)

liquid

c)

gas

192.

Freezing changes _________.

a)

from a liquid to a solid

b)

from a liquid to a gas

193.

Melting changes a ___________.

a)
solid to a liquid
b)

liquid to a solid

194.

Evaporation changes a ___________.

a)
liquid to a gas
b)

liquid to a solid

195.
True or False: Matter can changes states by adding heat or cooling.
a)
True
b)
False
196.
Which will change state if you put it in the freezer?
a)
sand
b)
a bowl
c)
a pencil
d)
juice
197.

In a solid, particles ___________.

a)

have a lot of room to move

b)

do not have much room to move

198.

Identify the particles.

a)

solid

b)

liquid

c)

gas

199.

Identify the particles.

a)

solid

b)

liquid

c)

gas

200.

Identify the particles.

a)

solid

b)

liquid

c)

gas

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