Free Printable Physics Unit 1 Test

1.

What is physics?

a)

The study of matter and energy

b)

The study of inventions

c)

The study of mathematics

d)

The study of chemistry and biology

2.

What is the term for collecting information about the physical world via the senses or a scientific instrument?

a)

Experiment

b)

Phenomenon

c)

Observation

d)

Theory

3.

Which term describes a test that scientists use to answer a question?

a)

Experiment

b)

Phenomenon

c)

Observation

d)

Theory

4.

Which term describes an observable fact, event, or circumstance?

a)

Experiment

b)

Phenomenon

c)

Hypothesis

d)

Theory

5.

Which term describes a scientific idea that has been supported by many different experiments?

a)

Phenomenon

b)

Hypothesis

c)

Observation

d)

Theory

6.

When must scientific theories be changed?

a)

When new evidence is discovered

b)

When an old scientist dies

c)

When a new government is elected

d)

When one experiment shows a surprising result

7.

Which term describes an educated guess about the outcome of an experiment?

a)

Data

b)

Hypothesis

c)

Result

d)

Analysis

8.

Which term describes something that changes during an experiment?

a)

Data

b)

Hypothesis

c)

Vector

d)

Variable

9.

A scientist studies how fish find suitable places to reproduce. Which of the following is a testable question about this topic?

a)

Do fish always reproduce in the same place?

b)

Is it interesting to watch fish swim?

c)

Are fish more interesting to study than birds?

d)

Should people be allowed to eat fish?

10.

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. What is the dependent variable in this experiment?

a)

The time it takes the water to boil

b)

The amount of salt added to the water

c)

The kind of bottles used

d)

The brand of salt used

11.

The equation for distance is d = st. If a car has a speed of 51 m/s and travels for 13 seconds, how far does it go?

a)

3.9 m

b)

64 m

c)

663 m

d)

810 m

12.

The voltage in a lightbulb is given by the equation V = IR. In this equation, V is the voltage, I is the current, and R is the resistance. What is the resistance in a lightbulb with a voltage of 25 V and a current of 0.2 A?

a)

$25\ \Omega$

b)

$50\ \Omega$

c)

$75\ \Omega$

d)

$125\ \Omega$

13.

The voltage in a lightbulb is given by the equation V = IR. In this equation, V is the voltage, I is the current, and R is the resistance. What is the current in a lightbulb with a voltage of 35.0 V and a resistance of 175 ?

a)

6125 A

b)

0.200 A

c)

1.40 A

d)

5.00 A

14.

The power in a lightbulb is given by the equation P = I²R, where I is the current flowing through the lightbulb and R is the resistance of the lightbulb. What is the current in a circuit that has a resistance of 30.0 and a power of 2.00 W?

a)

0.067 A

b)

3.87 A

c)

0.258 A

d)

15.0 A

15.

Which of the following is a U.S. unit of measurement?

a)

Liter

b)

Kilogram

c)

Foot

d)

Meter

16.

Which of the following is the number 0.0000302 written in scientific notation?

a)

3.20 x 10^-5

b)

3.20 x 10^-4

c)

3.02 x 10^-6

d)

3.02 x 10^-5

17.

A suitcase has a length of 75.0 cm. How many inches is this? (Note: 1 in = 2.54 cm)

a)

13.4 in

b)

29.5 in

c)

88.2 in

d)

191 in

18.

A table has a height of 36.0 inches. How many centimeters is this? (Note: 1 in = 2.54 cm)

a)

14.2 cm

b)

29.5cm

c)

74.2 cm

d)

91.4 cm

19.

Which type of graph would be best for showing how the population of a country changes each month?

a)

Line graph

b)

Circle graph

c)

Scatterplot

d)

Bar graph

20.

Which type of graph would be best for showing the percentage of people in a family with different jobs?

a)

Circle graph

b)

Line graph

c)

Bar graph

d)

Scatterplot

21.

What is the slop of the line plotted below?

a)

-2

b)

-1

c)

1

d)

2

22.

What is the slop of the line plotted below?

a)

0.5

b)

0.25

c)

-0.25

d)

-0.5

23.

The circle graph shows the colors of flowers in a garden.

Based on the graph, which two colors combined make up more than 40% of the flowers in the garden?

a)

Yellow and white

b)

Purple an dwhite

c)

Red and purple

d)

Red and white

24.

Which of the following is a scalar quantity?

a)

45 ft to the right

b)

9 km/hr down

c)

25 m/s south

d)

100 ft/min

25.

Which of the following is a vector quantitiy?

a)

30 m down

b)

100 ounces of water

c)

45 gallons in a bucket

d)

88 mi/s

26.

Which vector goes from (0,0) to (-2,4)

a)

a

b)

b

c)

c

d)

d

27.

What is the length of the x-component of v?

a)

1

b)

2

c)

3

d)

4

28.

Which equations describes the sum of the two vectors plotted?

a)

b)

c)

d)

29.

What is the length of the y-component of the vector plotted?1

a)

2

b)

3

c)

-1

d)

1

30.

Which of the vectors below is the sum of vectors and , shown here?

a)

b)

c)

d)

31.

What is the length of the x-component of the vector shown?

a)

5.5

b)

7.1

c)

8.6

d)

30.0

32.

What is cos(6)?

a)

0.06

b)

0.10

c)

0.60

d)

0.99

33.

What is tan(49)?

a)

0.66

b)

0.74

c)

0.82

d)

1.15

34.

What is sin(73)?

a)

0.96

b)

0.29

c)

0.64

d)

3.26

35.

What is cos^-1(0.34)?

a)

$18.8\degree$

b)

$19.9\degree$

c)

$44.2\degree$

d)

$70.1\degree$

36.

What is tan^-1(0.52)?

a)

$27.5\degree$

b)

$31.3\degree$

c)

$58.7\degree$

d)

$72.1\degree$

37.

What is sin-1(0.61)?

a)

$31.4\degree$

b)

$37.6\degree$

c)

$52.4\degree$

d)

$62.5\degree$

38.

A vector has an x-component of length 3.5 and a y-component of length 3. What is the angle of the vector? (Hint: Use the inverse tangent.)

a)

$31.0\degree$

b)

$40.6\degree$

c)

$59.0\degree$

d)

$67.2\degree$

Physics Unit 1 Test

Total questions: 38

Worksheet time: 40mins

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