Free Printable PS Unit 3 A

1.

648 g = ____ mg

a)

6,480

b)

64,800

c)

648,000

d)

64.8

2.

68 cm = ___________ mm

a)

0.68

b)

6.8

c)

68

d)

680

3.

Convert from meters to cm: 9 meters

a)

900 cm

b)

90 cm

c)

0.9 cm

d)

0.09 cm

4.

In this graph, scientists counted how many seeds were made by a fruit depending on how the flower was pollinated. (Self pollinated, by a bee or by the farmer/manual) What is the MANIPULATED/Independent variable?

a)

The number of seeds

b)

The type of fruit

c)

How the flower was pollinated (self, bee, manual)

5.

In this graph, scientists counted how many seeds were made by a fruit depending on how the flower was pollinated. (Self pollinated, by a bee or by the farmer/manual) What is the RESPONDING/dependent variable?

a)

The number of seeds

b)

The type of fruit

c)

How the flower was pollinated (self, bee, manual)

6.

What is the Dependent/Responding Variable?

a)

Length in cm

b)

Weeks

c)

Cress Growth

d)

Plastic or Cloth covering

7.

What is the INDEPENDENT variable?

a)

It is what stays the same in an experiment.

b)

It is what is measured in an experiment.

c)

It is the solution in an experiment.

d)

It is what is changed in an experiment by the scientist.

8.

An INDEPENDENT variable is also known as the ___ variable.

a)

manipulated

b)

solitary

c)

responding

d)

Should the INDEPENDENT variable go on the x-axis or y-axis?

a)

X-axis

b)

Y-axis

10.

Should the DEPENDENT variable go on the x-axis or y-axis?

a)

X-axis

b)

Y-axis

11.

Identify the INDEPENDENT variable. Do tardies affect test scores?

Hint: Think Cause-and-Effect

a)

number of tardies

b)

test scores

c)

studying 15 mintues

12.

Identify the DEPENDENT variable. Do tardies affect test scores?

Hint: Think Cause-and-Effect

a)

number of tardies

b)

test scores

c)

studying 15 minutes

13.

Identify the INDEPENDENT variable. Does music make plants grow taller?

Hint: Think Cause-and-Effect

a)

height of plant

b)

type of plant

c)

music being played

14.

Identify the DEPENDENT variable. Does music make plants grow taller?

Hint: Think Cause-and-Effect

a)

height of plant

b)

type of plant

c)

music being played

15.

Identify the DEPENDENT variable. Do students of different ages put together the same jigsaw puzzle at the same rate?

a)

type of puzzle

b)

age of student

c)

time to complete puzzle

16.

__ is a pure substance containing two or more kinds of atoms.

a)

Element

b)

compound

c)

mixture

d)

solution

17.

How many different types of atoms are there in the following molecule?

a)

7

b)

6

c)

3

d)

8

18.

a)

Element

b)

Compound

c)

Mixture

19.

a)

Element

b)

Compound

c)

Mixture

20.

a)

Element

b)

Compound

c)

Mixture

21.

a)

Element

b)

Compound

c)

Mixture

22.

What type of change is this?

a)

Chemical

b)

Melting

c)

Evaporation

d)

Condensation

e)

Sublimation

23.

The diagram shows

a)

element

b)

mixture

c)

compound

24.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

25.

Which of the following is an element?

a)

Sugar

b)

Salt

c)

Water

d)

Oxygen

26.

Water - H₂O

a)

element

b)

compound

c)

mixture

27.

Peroxide - H₂O₂

a)

mixture

b)

element

c)

compound

28.

Glucose (Sugar) - C₆H₁₂O₆

a)

mixture

b)

element

c)

compound

29.

O (oxygen)

a)

element

b)

compound

c)

mixture

30.

N (nitrogen)

a)

element

b)

compound

c)

mixture

31.

pizza

a)

compound

b)

element

c)

mixture

32.

Air

a)

Element

b)

Compound

c)

Homogenous mixture

d)

Heterogeneous mixture

33.

MnMs

a)

element

b)

compound

c)

mixture

34.

Table Salt (NaCl)

a)

element

b)

compound

c)

mixture

35.

Copper (Cu)

a)

element

b)

compound

c)

mixture

36.

Baking Soda (NaHCO₃)

a)

element

b)

compound

c)

mixture

37.

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

38.

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

39.

Write 2.08 x 10²in standard form.

a)

208

b)

0.0208

c)

20,800

d)

0.208

40.

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

41.

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

42.

Choose the best description below for the image

a)

physical change

b)

chemical change

43.

Choose the best description below for the image

a)

physical change

b)

chemical change

44.

Choose the best description below for the image

a)

physical change

b)

chemical change

45.

Choose the best description below for the image

a)

physical change

b)

chemical change

46.

The image is best described as

a)

Chemical Change

b)

Physical Change

47.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

48.

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

a)

3 g/cm³

b)

1/3 g/cm³

c)

27 g/cm³

d)

39 g/cm³

49.

A piece of copper has a mass of 89g and a volume of 10 cm3. What would be the density of the copper?

a)

0.89 g/cm3

b)

89 g/cm3

c)

8.9 g/cm3

d)

890 g/cm3

50.

Calculate the density in the following question: A flower pot has a mass of 95 g and a volume of 92 mL.

a)

1.03 g/mL

b)

0.97 g/mL

c)

1.01 g/mL

d)

0.99 g/mL

51.

An object has a volume of 6 cm³ and a mass of 42 g. What's it's density?

a)

7 g/cm³

b)

48 g/cm³

c)

42 g/cm³

d)

6 g/cm³

52.

In the picture, the mass of the block is 200 g, the dimensions of the block are 6 cm by 4 cm by 5 cm. What is its density?

a)

1.67g/cm³

b)

13.33 g/cm³

c)

0.60 g/cm³

d)

24000 g/cm³

53.

The amount of water displaced is the same as the volume of the object. What is the VOLUME of the object?

a)

40 mL

b)

65 mL

c)

20 mL

d)

25 mL

54.

An object is is placed into 45 mL of water. The water rises to 48 mL. What is the volume of the object?

a)

3 mL

b)

93mL

c)

8 mL

d)

83 mL

55.

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm³?

a)

13.3 g

b)

13.3 cm³

c)

.075 g

d)

1695 cm³

56.

The density of a material is 2 g/cm³. The volume is 24 cm³ . What is the mass?

a)

12 grams

b)

48 grams

c)

12 g/cm³

d)

48 g/cm³

57.

What is the mass of a substance with a volume of 72.5 cm³ and a density of 0.94 g/cm³?

a)

68.15 g

b)

77.13 g

c)

62 g

d)

100 g

58.

There are 4 objects listed with their densities. Which of the following will float on water? (SELECT 2)

a)

Object A:

0.7 g/cm3

b)

Object B:

1.2 g/cm3

c)

Object C:

0.25 g/cm3

d)

Object D:

11.4 g/cm3

59.

If an object has a density of 6 g/mL and you put it into water, will it sink or float?

a)

sink

b)

float

60.

Which unit is the smallest?

a)

km

b)

mm

c)

m

d)

cm

61.

Which SI unit is used for measuring length?

a)

gram

b)

liter

c)

meter

d)

Kelvin

62.

What SI Unit is used to measure mass?

a)

liter

b)

meter

c)

gram

d)

Kelvin

63.

Phase change from liquid to solid is called:

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

64.

Phase change from gas to liquid is called:

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

65.

Phase change from gas to solid is called:

a)

Sublimation

b)

Freezing

c)

Deposition

d)

Vaporization

66.

Look at the picture. Which state of matter is in beaker C?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

67.

Look at the picture. Which state of matter is in beaker A?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

68.

What is melting? (Definition)

a)

When liquid turns in solid.

b)

When solid turns into gas.

c)

When gas turns into liquid.

d)

When solid turns into liquid.

69.

State of matter that takes the shape of it's container and has a definite volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

70.

State of matter in which materials have a definite shape and volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

71.

State of matter that can fill containers with no fixed shape or volume.

a)

Solid state

b)

Liquid state

c)

Gas state

d)

Plasma state

72.

When a beaker of water is heated its volume increases a little. What is happening to the particles in the liquid?

a)

They are getting bigger.

b)

They are moving slower.

c)

They are moving faster.

d)

They are getting smaller.

73.

Which state of matter is represented in the following diagram?

a)

Liquid

b)

Liquid and gas

c)

Gas

d)

Solid

74.

Which change of state occurs when particles in a solid begin to move slowly past each other?

a)

Melting

b)

Freezing

c)

Condensing

d)

Vaporizing

75.

What is viscosity?

a)

the resistance of a liquid to flow

b)

liquid pouring out of the container

c)

a liquid

d)

how hot or cold a liquid is

76.

5. What is it called when a solid turns directly into a gas?

a)

Sublimation

b)

Condensation

c)

Liquid

77.

7. All phase changes (changing states) requires energy to be added or taken away.

a)

True

b)

False

78.

Change from Liquid to Solid is called ...

a)

fusion

b)

Freezing

c)

sublimation

d)

evaporation

79.

Density: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

80.

Blue color: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

81.

Reacts with acid: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

82.

Flammability (burns): Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

83.

Melting point: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

84.

Reacts with water: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

85.

Boiling point: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

86.

Luster: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

87.

Reacts with Air: Chemical or Physical Property

a)

Chemical Property

b)

Physical Property

88.

the ability of a material to bend or be hammered into other shapes without breaking.

a)

Ductility

b)

Malleability

c)

Toxicity

d)

Solubility

89.

a resistance to being scratched or dented.

a)

Luster

b)

Flammability

c)

conductivity

d)

hardness

90.

the ability to pass electricity or heat through a substance

a)

conductivity

b)

ductility

c)

oxidation

d)

malleability

91.

the ability of a substance to be drawn into thin wires

a)

Conductivity

b)

malleability

c)

ductility

d)

flammability

92.

Is this an example of a physical or chemical change?

a)

Physical

b)

Chemical

93.

Is this an example of a physical or chemical change?

a)

Physical

b)

Chemical

94.

Is this an example of a physical or chemical change?

a)

Physical

b)

Chemical

95.

Is this an example of a physical or chemical change?

a)

Physical

b)

Chemical

96.

Is this an example of a physical or chemical change?

a)

Physical

b)

Chemical

97.

Melting a chocolate bar is a...

a)

Physical change

b)

Chemical change

98.

In which region(s) does temperature increase?

a)

Region C only

b)

Regions B and D

c)

Regions A, C, and E

d)

Regions A and B

99.

Describe the substance at letter A.

a)

Solid

b)

Liquid

c)

Melting

d)

Evaporating

100.

At which letter is the substance changing its state of matter?

a)

A only

b)

A, C, and E

c)

D and E

d)

B and D

101.

The melting point of the sample is

a)

-60 ºC

b)

20 ºC

c)

60 ºC

d)

100 ºC

102.

NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

a)

0°C

b)

801°C

c)

1000°C

d)

1465°C

103.

Which letter indicates where water is in both the solid and liquid phase at the same time?

a)

A

b)

B

c)

C

d)

D

e)

E

104.

In which region(s) of the heating curve would water be a liquid and a gas at the same time?

a)

A

b)

B

c)

C

d)

D

e)

E

105.

Describe the substance between letters C and D.

a)

Gas

b)

Liquid

c)

Melting

d)

Vaporizing

106.

Describe what is happening between letters D and E.

a)

Gas

b)

Liquid

c)

Melting

d)

Vaporizing

107.

Describe the substance between letters E and F.

a)

Gas

b)

Liquid

c)

Melting

d)

Vaporizing

108.

What is the melting point for this substance?

a)

60 °C

b)

40 °C

c)

80 °C

d)

100 °C

109.

What is the boiling point for this substance?

a)

60 °C

b)

40 °C

c)

120 °C

d)

100 °C

110.

What line segment represents only the solid state?

a)

A-B

b)

B-C

c)

C-D

d)

D-E

111.

The melting point of the sample is

a)

-60 ºC

b)

-100 ºC

c)

60 ºC

d)

100 ºC

112.

Which state of matter has both definite shape and definite volume?

a)

solid

b)

liquid

c)

gas

d)

plasma

113.

In which state of matter are the particles only vibrating?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

114.

Of these three states of matter, which one has the most kinetic energy?

a)

Solid

b)

Liquid

c)

Gas

115.

Which state of matter has no definite shape but does have definite volume?

a)

Gas

b)

Solid

c)

Liquid

116.

Convert: 186.5 K to C

a)

-86.4 C

b)

-50 C

c)

-68.4 C

d)

180 K

117.

Convert: -45.9 C to K:

a)

227.1 K

b)

400 K

c)

0 K

d)

373 K

118.

Convert 20.0^oC to Kelvin.

a)

273 K

b)

298 K

c)

293 K

d)

20 K

119.

Convert 273K to ^oC

a)

546 ^oC

b)

-273 ^oC

c)

0 ^oC

d)

0 K

120.

Convert

100^oC

to Kelvin

a)

$373\ K$

b)

$273\ K$

c)

$212\ K$

d)

$0\ K$

121.

Convert

450\ K

to Celsius

a)

$723^oC$

b)

$277^oC$

c)

$177\ ^oC$

d)

$623^oC$

122.

Convert

300\ K

to Celsius

a)

$573^oC$

b)

$37^oC$

c)

$27^oC$

d)

$600^oC$

123.

Convert

0^oC

to Kelvin

a)

$-273\ K$

b)

$273\ K$

c)

$32\ K$

d)

$-32\ K$

124.

Convert

0\ K

to Celsius

a)

$273^oC$

b)

$-273^oC$

c)

$32^oC$

d)

$-32^oC$

125.

Select the temperature in °C

a)

40°C

b)

100°C

c)

96°C

d)

36°C

126.

Select the temperature in °C

a)

54°C

b)

12°C

c)

20°C

d)

60°C

PS Unit 3 A

Total questions: 126

Worksheet time: 3hrs 36mins

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