Free Printable Physical Science - Unit One Test Review

1.

A_____ is a possible explanation for a problem using what you know and what you observe.

a)

Theory

b)

Conclusion

c)

Thesis

d)

Hypothesis

2.

A(n) _____ occurs when what the scientist expects changes how the results are viewed.

a)

Bias

b)

Conclusion

c)

Error

d)

Fallacy

3.

A(n) _____ represents an idea, event, or object in order to help people better understand it.

a)

Experiment

b)

Lab

c)

Model

d)

Journal

4.

Graphing data can help you recognize______.

a)

Hypothesis

b)

Bias

c)

Patterns

d)

Inferences

5.

The application of scientific knowledge to benefit people is ______.

a)

Technology

b)

Society

c)

Ethics

d)

Economics

6.

The amount of space occupied by an object is its ______.

a)

Mass

b)

Capacity

c)

Length

d)

Volume

7.

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the _____.

a)

Control

b)

Independent Variable

c)

Constants

d)

Dependent Variable

8.

An organized process used to gather observations and test a hypothesis is a(n) ____.

a)

Problem

b)

Experiment

c)

Exercise

d)

Constant

9.

A statement that describes what happens in nature is a _____.

a)

Scientific Law

b)

Scientific Hypothesis

c)

Scientific Theory

d)

Scientific Breakthrough

10.

A possible explanation for why an event occurs, that is based on repeated observations and experiments is a _____.

a)

Problem

b)

Hypothesis

c)

Theory

d)

Variable

11.

The light bulb is an example of _____.

a)

Pure Energy

b)

Technology

c)

A dependent variable

d)

Observation

12.

In an experiment to determine if the popping of popcorn is affected by the temperature at which stored, counting the popped kernels is an example of a(n)_____.

a)

Conclusion

b)

Control

c)

Hypothesis

d)

Observation

13.

A measurement standard is defined as ______.

a)

A system of prefixes

b)

the distance between two points

c)

A quantity people agree to use for comparison

d)

the interval between two events

14.

A beaker contains 0.32 L of water. The beaker’s volume is _____ mL.

a)

3.2

b)

0.032

c)

32

d)

320

15.

The correct symbol for the SI unit of temperature is _____.

a)

K

b)

K°

c)

C

d)

C°

16.

In a graph, the variable on the horizontal axis is the _____.

a)

Variable with the longest range

b)

Variable with the least range

c)

Independent variable

d)

Dependent variable

17.

The type of graph that would be used to show how some fixed quantity is broken down into parts.

a)

Line graph

b)

Circle graph (Pie Chart)

c)

Bar graph

d)

Table

18.

In a graph showing how the temperature of a material changes over time, temperature change is the _____.

a)

Dependent Variable

b)

Independent Variable

c)

Variable with the smallest range

d)

Variable with the largest range

19.

Of the following, the most correct way to express density is _____.

a)

g / m

b)

g/㎤

c)

g / cm

d)

kg/㎤

20.

Of the following, the only unit that cannot be used to express volume is _____.

a)

kg

b)

L

c)

cm³

d)

mL

21.

The best unit to measure the distance a car travels after being released from a ramp.

a)

meter

b)

gram

c)

second

d)

ampere

22.

The best unit to measure the mass of a chemical added to a beaker..

a)

Meter

b)

Gram

c)

Second

d)

Ampere

23.

The best unit to measure the time it takes for a dropped object to hit the ground.

a)

Meter

b)

Gram

c)

Second

d)

Ampere

24.

What is the SI unit for mass?

a)

Meter

b)

Kelvin

c)

g / cm³

d)

Kilogram

e)

Second

25.

What is the SI unit for time?

a)

Meter

b)

Kelvin

c)

g / cm³

d)

Kilogram

e)

Second

26.

Joe Schmoe develops an experiment to test the flow of water in different hoses. He hooks a miracle hose, a never kink hose and a regular garden hose up to a water source one at a time and tests the amount of water that gets through. What is the IV?

a)

The regular garden hose

b)

The type of hose

c)

The amount of water that gets through

d)

The water pressure at the water source

e)

How long the water is left on

27.

Joe Schmoe develops an experiment to test the flow of water in different hoses. He hooks a miracle hose, a never kink hose and a regular garden hose up to a water source one at a time and tests the amount of water that gets through. What is the DV?

a)

The regular garden hose

b)

The type of hose

c)

The amount of water that gets through

d)

The water pressure at the water source

e)

How long the water is left on

28.

Joe Schmoe develops an experiment to test the flow of water in different hoses. He hooks a miracle hose, a never kink hose and a regular garden hose up to a water source one at a time and tests the amount of water that gets through. What is the control?

a)

The regular garden hose

b)

The type of hose

c)

The amount of water that gets through

d)

The water pressure at the water source

e)

How long the water is left on

29.

Joe Schmoe develops an experiment to test the flow of water in different hoses. He hooks a miracle hose, a never kink hose and a regular garden hose up to a water source one at a time and tests the amount of water that gets through. What are two constants?

a)

The regular garden hose

b)

The type of hose

c)

The amount of water that gets through

d)

The water pressure at the water source

e)

How long the water is left on

30.

What is the dependent variable?

a)

Month

b)

Profit or Loss

c)

There isn't one

d)

Not enough information

31.

What is the independent variable?

a)

Month

b)

Profit or Loss

c)

There isn't one

d)

Not enough information

32.

According to the graph, what percentage of water is used in the shower?

a)

16.8

b)

26.7

c)

21.7

d)

15.7

33.

According to the graph, what percentage of water is used in the toilet?

a)

16.8

b)

26.7

c)

21.7

d)

15.7

34.

Testing a hypothesis often involves a(n):

a)

answer

b)

experiment

c)

problem

d)

safety check

35.

If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?

a)

increase the amount of iron in your blood

b)

spinach you eat

36.

If I read this question carefully, then I will answer it correctly. What is the independent variable?

a)

I hope so

b)

Yes

c)

Reading or not reading carefully

d)

Likelihood of a correct answer

37.

A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy. Three different sodas were tested. They measured the height of the foam eruption. What is the dependent variable?

a)

Brand of soda

b)

Number of mentos candies used

c)

Height of foam eruption

d)

Temperature of soda

38.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

a)

The type of plant

b)

The amount of sunlight

c)

The type of music

d)

The type of liquid

39.

Convert 300 meters to centimeters:

a)

3000 cm

b)

0.3 cm

c)

30,000 cm

d)

3 cn

40.

490,000 g =____ kg

a)

490

b)

49

c)

4,900

d)

0.49

41.

The base unit to measure mass is called...

a)

liters

b)

meters

c)

grams

42.

64,158 ml = ___________________ daL

a)

0.0064158

b)

6.4158

c)

64.158

d)

641.58

43.

Which metric unit would be the most appropriate to measure the mass of a horse?

a)

Grams

b)

Pounds

c)

Milligrams

d)

Kilograms

44.

Which metric unit would be the most appropriate to measure the mass of a paperclip.

a)

Kilograms

b)

Liters

c)

Centimeters

d)

Milligrams

45.

The SI base unit for temperature.

a)

Meter

b)

Liter

c)

Gram

d)

Kelvin

46.

What is the relationship between economists and "Nicolas Cage" google searches?

a)

Economists are the most likely people to search Nicolas Cage on google

b)

More google searches cause more people to become economists

c)

Google searches for Nicolas Cage and Economists in California are pretty highly corellated

d)

There is no relationship. This is silly.

47.

When was the correlation between Nick Cage searches and number of economists in CA weakest?

a)

2004-2022

b)

2019-2022

c)

2007-2010

d)

2013-2016

48.

During which period was the correlation between Nick Cage searches and the number of economists in California the strongest?

a)

2004-2022

b)

2019-2022

c)

2007-2010

d)

2013-2016

49.

How many cities have temperatures between 70 degrees and 99 degrees?

a)

44

b)

34

c)

26

d)

62

50.

How could we describe this graph?

a)

Positive

b)

Negative

c)

Strong Fit

d)

Weak Fit

51.

What is wrong with this graph?

a)

The numbering of the x axis is inconsistant

b)

It doesn't have a title

c)

The numbering of the y axis is inconsistent

d)

The graph doesn't fit the space

Physical Science - Unit One Test Review

Total questions: 51

Worksheet time: 45mins

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