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Phy. Sci. Chapter 1 Test Review

Total questions: 81

Worksheet time: 4hrs 18mins

Name
Class
Date
1.
 An organized procedure to study something under controlled conditions is called:
a)
theory
b)
experiment 
c)
observation
d)
hypothesis
2.
 A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as: 
a)
theory
b)
experiment 
c)
observation
d)
hypothesis
3.
 The statement based on repeated experimental observations that describe how the universe works under certain conditions is known as:
a)
investigation
b)
scientific law
c)
observation
d)
scientific theory
4.
________ is the process of obtaining information by using the senses. 
a)
analyze
b)
inference
c)
observation
d)
hypothesis
5.
A person who is studying or has expert knowledge of one or more of the natural or physical sciences is known as _________. 
a)
lawyer
b)
firefighter 
c)
mathematician 
d)
scientist 
6.
The statement based on repeated experimental observations that describe why the universe works under certain conditions is known as: 
a)
scientific law
b)
scientific theory
c)
scientific problem
d)
scientific investigation
7.
Every kind of technology has benefits and unexpected problems. This includes cell phones. 
Select the answer that shows one intended benefit of cell phone technology and one unintended consequence as well.
a)
Benefit: stronger bones; Consequence: tooth decay
b)
Benefit: more communication; Consequence: More car wrecks
c)
Benefit: Lots of information
Consequence: bone denisity loss
d)
Benefit: more communication; Consequence: bad hair
8.
Alfred Nobel invented dynamite to help miners tunnel through mountains. However, he was later appalled to learn that his invention was being used for warfare. 
What is an unintended consequence of dynamite?
a)
Dynamite was used for making bombs and other explosives for combat
b)
His invention helped miners dig tunnels through mountains
c)
Road builders used dynamite to blow up rocks that were in the way
d)
Dynamite was used to dig holes in the ground
9.

A student wants to find out if changing the amount of light will affect the amount of bacteria that grows. What is the independent variable in his experiment?

a)

The amount of light

b)

The number of bacteria.

c)

The temperature

d)

The student

10.

Mrs. Soehner grew 2 plants with a two types of fertilizers. She found that Acme Fertilizer worked the best. How can she best verify her results?

a)

Repeat the experiment with 2 plants exactly as she did before.

b)

Repeat the experiment 4 more times using 2 plants each time.

c)

Repeat the experiment, but this time use 3 plants and change the amount of water they receive.

d)

Repeat the experiment and change the amount of sunlight and fertilizer.

11.

Scientific knowledge changes over time. Scientists publish the new data and changes before it is accepted so that other scientists can...

a)

propose a change to the law.

b)

change the data.

c)

form an opinion

d)

debate the change

12.

I want to graph data that is change over time. What graph is best for this data?

a)

pie chart

b)

a line graph

c)

a scatter plot

d)

a double bar graph

13.

Michael was investigating when most people were in his father's store. At what time does the store reach its maximum occupancy?

a)

10 AM

b)

1 PM

c)

3 PM

d)

6 PM

14.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
15.
A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.
a)
hypothesis
b)
theory
c)
guess
d)
fact
16.
An explanation a scientist makes that we can test to see if it is true or not is a _________.
a)
hypothesis
b)
theory
c)
law
d)
question
17.
Many hypotheses are tested and scientist come up with an explanation based on these hypotheses.
a)
Fact
b)
Thoery
c)
Law
d)
Hypotheses
18.

Before a scientific theory is accepted and supported, it has

a)

been tested by only one scientist.

b)

been published in scientific journals.

c)

been tested many times by different scientists.

d)

been approved by the International Committee of Scientists.

19.

The SI unit for mass is _________.

a)

Pounds

b)

Gram

c)

Kilograms

d)

Ounces

20.

The SI unit for mass is _________.

a)

Pounds

b)

Gram :)

c)

Kilograms

d)

Ounces

21.

The SI unit for mass is _________.

a)

Pounds

b)

Gram. Pick this answer if you want to get it wrong.

c)

Kilograms

d)

Ounces

22.
A _____________________ is something that scientists use to represent an object or process
a)
mass
b)
matter
c)
model
d)
weight
23.
the curve of a surface of a liquid is the _________________
a)
meniscus
b)
temperature
c)
volume
d)
observation
24.
________________ is the study of history, structure, and formation of the earth
a)
geology
b)
matter
c)
law
d)
biology
25.
__________________ is the study of life science and physical science
a)
chemistry
b)
biology
c)
physics
d)
geology
26.
Which of these is not a model?
a)
hot wheels/match box car
b)
action figure doll
c)
dump truck
d)
a picture of the inside of humdinger
27.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
28.
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
29.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
30.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
31.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
32.
Write 3.2 x 103 in standard form.
a)
3.200
b)
3200
c)
32000
d)
.0032
33.
Write 9,450,000 in scientific notation.
a)
9.45 x 104
b)
9.45 x 105
c)
9.45 x 106
d)
.945 x 107
34.
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
35.
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
36.
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
37.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
38.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
39.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
40.
2804 mg = ___________ g
a)
0.2804
b)
2.804
c)
28.04
d)
280.4
41.
0.57 mL = ___________ L
a)
5.7
b)
0.057
c)
0.0057
d)
0.00057
42.
0.932 g = ___________ mg
a)
9.32
b)
93.2
c)
932
d)
9,320
43.
 159.7 g = ___________ kg
a)
0.1597
b)
1.597
c)
15.97
d)
1597
44.
 1234 mg = ___________ kg
a)
0.0001234
b)
0.001234
c)
0.01234
d)
0.1234
45.
 68 cm = ___________ mm
a)
0.68
b)
6.8
c)
68
d)
680
46.
Convert 74 g to kg
a)
0.074
b)
740
c)
0.00074
d)
74
47.
Convert 32 cm to m
a)
3.2
b)
0.32
c)
3,200
d)
320
48.
100 cL = _____mL
a)
10,000
b)
1,000
c)
10
d)
0.1
49.
60 m = _______mm
a)
60,000 
b)
0.06
c)
600
d)
6,000
50.
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
51.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
52.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
53.
What is the SI base unit for volume?
a)
gram
b)
meter
c)
liter
d)
foot
54.
The prefix "giga" means: ____________________
a)
1 x 109
b)
1 x 106
c)
1 x 103
d)
1 x 102
55.
The prefix "mega" means: ____________________
a)
1 x 109
b)
1 x 106
c)
1 x 103
d)
1 x 102
56.
The prefix "kilo" means: ____________________
a)
1 x 10-1
b)
1 x 103
c)
1 x 10-3
d)
1 x 102
57.
The word root "centi" means
a)
tenth
b)
one-hundred
c)
one-thousand
d)
one-hundredth
e)
one-thousandth
58.

The root word kilo means

a)

1,000

b)

1/1,000

c)

100

59.

The root word milli means

a)

your youngest little baby sibling

b)

1/1,000

c)

1/100

d)

1,000

60.
True or false  there are 10 milimiters in a centemeter
a)
true
b)
False
61.
How many   Meters are in a kilometer 
a)
1 meter
b)
10 meters
c)
100 meters
d)
1,000 meters
62.

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)

63.

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)

64.

The MANIPULATED/Independent variable is:

a)

The item the scientist or "I" am testing in the experiment

b)

The item that is changing BECAUSE of the experiment

c)

The item(s) that have to stay the same or constant in the experiment

65.

The RESPONDING/dependent variable is:

a)

The item the scientist or "I" am testing in the experiment

b)

The item that is changing BECAUSE of the experiment

c)

The item(s) that have to stay the same or constant in the experiment

66.

The CONTROL/Constant variable is:

a)

The item the scientist or "I" am testing in the experiment

b)

The item that is changing BECAUSE of the experiment

c)

The item(s) that have to stay the same or constant in the experiment

67.

What is the Dependent/Responding Variable?

a)

Length in cm

b)

Weeks

c)

Cress Growth

d)

Plastic or Cloth covering

68.

What is the Independent/Manipulated variable?

a)

Length in cm

b)

Weeks

c)

Cress Growth

d)

Plastic or Cloth covering

69.

What is something you would have to keep constant in this experiment? (select all that apply)

a)

amount of sunlight all plants get

b)

amount of water all plants get

c)

type of plants

d)

Plastic or Cloth covering

70.

Katie jumped out of bed when she realized the sun was shining bright through her window. Everyone was already gone! She quickly got dressed, brushed her teeth, and grabbed her book bag. When she got to school she was completely out of breath and the class was already at specials.

What can you infer about Katie?

a)

Katie over slept and was late to the movies.

b)

Katie over slept and was late for church.

c)

Katie over slept and was late to school.

d)

Katie over slept and was late to friend's house.

71.

Riley rushed home from school on Friday. He slammed his door closed, trying to figure out what he was going to do. He took the envelope out of his backpack and decided he would throw it away. Surely, no one will ask about it. He knew this could get him in HUGE trouble if his mom saw it!

Why is Riley mad?

a)

Riley's report card wasn't very good.

b)

Riley got a love note from a girl.

c)

Riley got a positive note from Ms. Miller.

d)

Riley got a thank-you note from Mrs. Polk-Meek.

72.

When Rena got home from Aliyah's house all the lights in the house were off. She went and turned on the light switch, but the lights wouldn't come on. Then, she went to the kitchen to make some popcorn, but the microwave wouldn't work. After that, she went to watch TV but she couldn't turn it on. The house was getting darker as the night went on. Rena's mom decided it was time to get out the candles so there was some light in the house.

What's going on at Rena's house?

a)

Rena went to the wrong light switch.

b)

The batteries are out in Rena's house.

c)

Rena's power is out.

d)

Rena is in a haunted house.

73.

On Monday, Ms. Miller passed back the assessments from Friday. There were many sad faces around the room. Some students were even beginning to cry. When Vivianna go her test back there was a big sticker on the front and Vivianna had a HUGE grin on her face. She asked if she could take her tests home to show her mom. Ms. Miller said, "Absolutely!"

Why is Vivianna so happy?

a)

Vivianna's imaginary twin took the test for her.

b)

Vivianna thought the sticker was cute.

c)

Vivianna wanted her mom to see how poorly she had done.

d)

Vivianna got an A on her test.

74.

Hannah kept trying to call home and see if someone would come pick her up. She didn't think she would need a coat today and left it at home. She also didn't bring her umbrella. There was no one we could get in touch with and she knew was this meant. Hannah took a big deep breath and ran as fast as she could.

What happened to Hannah?

a)

Hannah doesn't want to walk home in the snow.

b)

Hannah doesn't want to ride her bike home on the beautiful day.

c)

Hannah doesn't want to walk home in the ran.

d)

Hannah doesn't want to ride the bus.

75.
Tim looked out the window. The house looked so lonely. Tim's father put the last suitcase in the trunk and started up the car. Thor, his dog, put his head on Tim's lap, like he understood how  Tim was feeling. "It's okay Thor," he said, "Dad says we will like California." What is happening?
a)
Tim is sad because his dog doesn't have a house to live in.
b)
Tim is taking a trip to visit peolpe he doesn't know.
c)
Tim is taking Thor to live with his grandmother.
d)
Tim is moving to California with his family.
76.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
77.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
78.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
79.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
80.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
81.

Who is this?

a)

Ryder K.

b)

Marilyn Manson

c)

Mr. Rogers

d)

Burt from Sesame Street

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