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Unit 1-3 Review

Total questions: 71

Worksheet time: 2hrs 34mins

Name
Class
Date
1.
What do you get if you combine all of the colors in visible light?
a)
bright light
b)
white light
c)
brilliant light
d)
neon light
2.
Which of these causes the colors in a rainbow to separate?
a)
sunlight passing through raindrops
b)
strong winds
c)
Earth's gravity
d)
different colors of light going at different speeds
3.
Why does a ruler with one end in the air and one end under water appear bent?
a)
Light moves through air faster than it moves through water.
b)
The light is reflected from the ruler moves in a curved path.
c)
Light moves through water at the same speed as it moves through air.
d)
Light in the air is brighter than light in the water.
4.
Through what kind of matter does light move fastest?
a)
liquids
b)
air
c)
matter that is lighter in color
d)
matter that is in larger objects 
5.
Light Years are a measure of:
a)
time
b)
speed
c)
distance
d)
light
6.
A light year is...
a)
The speed light travels
b)
How long it takes light to get to you from the sun
c)
The distance light can travel in a year
d)
How many years it takes light to be emitted
7.
Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.
a)
True
b)
False
8.
Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?
a)
1 year
b)
4.3 years
c)
43 years
d)
10 trillion years
9.
To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -
a)
meter
b)
kilometer
c)
light year
d)
astronomical unit
10.

Which unit of measurement is used to measure distances within our solar system?

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

11.

An astronomical unit is...

a)

The average distance between the Earth and the Sun

b)

The average distance between the Sun and Neptune

c)

The diameter of the sun

d)

The time it takes light to travel across our solar system

12.

Which distance is larger: 1 astronomical unit or 1 light-year?

a)

1 AU

b)

1 LY

13.

A.U. (astronomical units) are used to measure distances between _?_.

a)

stars

b)

planets

c)

galaxies

d)

solar systems

14.

Which unit of measure would be used to measure the distance from our solar system to the center of the MIlky Way?

a)

ft

b)

ly

c)

AU

d)

km

15.

_______________ would be the best unit to use to measure the distance between the our sun and Proxima Centauri (our nearest star neighbor).

a)

Astronomical units

b)

Light seconds

c)

Light years

16.

_______________ would be the best unit to use to measure the distance between the asteroid belt and Pluto

a)

Astronomical units

b)

Light seconds

c)

Light years

d)

Parsecs

17.

What type of electromagnetic wave has a higher frequency than visible light and a larger wavelength than x-rays

a)

Infrared

b)

Gamma

c)

visible

d)

Ultraviolet

18.

Indicate the electromagnetic waves that are longer than Visible light.

a)

Ultraviolet

b)

Infrared

c)

X ray

d)

Microwaves

19.

Electromagnetic waves can travel through the vacuum of (a)   .

20.

Electromagnetic waves all have the same __________ and _______________.

a)

wavelength and speed

b)

speed and amplitude

c)

Frequency and amplitude

d)

Amplitude and wavelength

21.

What type of wave has the largest wavelength and the lowest frequency on the electromagnetic spectrum?

a)

Radio

b)

Micro

c)

Gamma

d)

X ray

22.

In the visible light waves what color has the highest frequency electromagnetic waves?

a)

Red

b)

Violet

c)

Green

d)

Yellow

23.

Which electromagnetic waves are useful for Television?

a)

Gamma

b)

x ray

c)

radio

d)

microwave

24.

The medical profession uses _______ to sterilize medical equipment - just like the google cabinet in the science classroom.

a)

Infrared

b)

x ray

c)

Gamma

d)

Ultraviolet

25.

Heat seeking missiles use _____________ electromagnetic technology.

a)

Gamma

b)

X ray

c)

Microwave

d)

Infrared

26.

________________ have the highest energy and shortest wavelength of all electromagnetic waves.

a)

Gamma

b)

X Ray

c)

Radio

d)

Microwaves

27.

Electromagnet waves transfer ____________ without matter.

a)

information

b)

energy

c)

x rays

d)

medium

28.

As the wavelength of an electromagnetic wave gets LONGER, the frequency gets ____________.

a)

Lower

b)

Higher

c)

does not change

d)

doubles

29.

Which wavelengths of the EM spectrum are dangerous to life?

a)

radio, micro and gamma

b)

gamma, infrared, and UV

c)

Infrared, UV and X Rays

d)

UV, X rays and Gamma

30.

The lowest point on a wavelength is a(n) ____________.

a)

value

b)

trough

c)

crest

d)

medium

31.

The distance between two crests or two troughs is defined as _________________

a)

medium

b)

wavelength

c)

frequency

d)

amplitude

32.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
33.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
34.
Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
35.

What is the DEPENDENT variable (effect) in this experiment?


"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

36.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

37.
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
38.

Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

a)

the different surfaces

b)

using the same ball

c)

how high they bounce

39.

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease (go down)." What is the independent variable?

a)

Whether salt is added or not

b)

Boiling Point

c)

Amount of water

40.

If you were testing the time it took for objects of different sizes to reach the ground after being dropped from 30 feet in the air, which of these would be the DEPENDENT VARIABLE?

a)

The time it takes for each object to hit the ground.

b)

The size of each object.

c)

The type of object you use.

d)

The height you drop the object from

41.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
42.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
Type of sunflower
43.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
44.
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable.
a)
Color or chair
b)
Grade on test
c)
Age of students
45.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
46.
On a graph, which axis shows the independent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
47.
Name the INDEPENDENT variable from the table below.
a)
words
b)
minutes
48.

Which of the following is the label for the independent variable.

a)

Money Collected

b)

Raising Money

c)

Boxes Sold

d)

None of the above

49.
a)
the independent variable is distance
b)
the independent variable is d=25 t
c)
the dependent variable is time
d)
the dependent variable is distance
50.

The variable that is measured. It is the result of the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

51.

The one factor that a scientist changes during an experiment. (It affects the results of the experiment).

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

52.

I am a scientist conducting an experiment. Which of the following is the one variable that I change in the experiment?

a)

Independent

b)

Dependent

c)

Control

53.

I am a scientist conducting an experiment. I change a variable in the experiment and then measure what happens because of the variable that I change. Which of the following is the thing that I measure in the experiment?

a)

Independent Variable

b)

Dependent Variable

c)

Control

54.

I am a scientist conducting an experiment. Which of the following is the thing that I make sure stays the same in every trial of my experiment?

a)

Independent Variable

b)

Dependent Variable

c)

Control

55.

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the independent variable?

a)

The type of bug repellent

b)

If an arm was sprayed with bug repellent or not

c)

The number of bug bites

56.

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the dependent variable?

a)

The type of bug repellent

b)

If an arm was sprayed with bug repellent or not

c)

The number of bug bites

57.

Javier and his twin sister both have the same science exam. Javier sleeps for 9 hours the night before the exam and his sister sleeps for 6 hours. After they take the test, they both compare their test grades. What is the independent variable?

a)

The number of hours of sleep they had

b)

The type of test

c)

The test grades

58.

Javier and his twin sister both have the same science exam. Javier sleeps for 9 hours the night before the exam and his sister sleeps for 6 hours. After they take the test, they both compare their test grades. What is the dependent variable?

a)

The test grades

b)

The number of hours of sleep they had

c)

The type of test

59.

Group A decides to exercise for a month. Group B decides not to exercise during the same month. Afterwards, they measure the amount of weight that each group lost. what is the independent variable?

a)

How much weight each group lost

b)

The type of exercise

c)

If group exercises or not

60.

Group A decides to exercise for a month. Group B decides not to exercise during the same month. Afterwards, they measure the amount of weight that each group lost. what is the dependent variable?

a)

If a group exercises or not

b)

How much weight each group lost

c)

The type of exercise

61.

One plant is given sunlight every day. Another plant of the same type is not given any sunlight. After 3 weeks, the height of each plant is measured. What is the independent variable?

a)

The type of plant

b)

If a plant receives sunlight or not

c)

How tall the plants are

62.

One plant is given sunlight every day. Another plant of the same type is not given any sunlight. After 3 weeks, the height of each plant is measured. What is the dependent variable?

a)

How tall the plants are

b)

The type of plant

c)

If a plant receives sunlight or not

63.

One plant is given sunlight for 12 hours each day. Another plant of the same type is not given any sunlight. After 3 weeks, the plants are compared to see how green each one looks. What is the independent variable?

a)

How much sunlight each plant receives

b)

How green each plant looks

c)

The type of sunlight

64.

One plant is given sunlight for 12 hours each day. Another plant of the same type is not given any sunlight. After 3 weeks, the plants are compared to see how green each one looks. What is the dependent variable?

a)

The type of sunlight

b)

How much sunlight each plant receives

c)

How green each plant looks

65.

I am experimenting with how water effects the growth of a bean plant. Select all that need to remain constant

a)

Sunlight

b)

Type of Soil

c)

Temperature

d)

Amount of water

66.

What is the "control" in the experiment?

a)

The variable I change

b)

The variable I observe or measure.

c)

Something in the experiment that must remain the same.

67.
Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?
a)
Monica's growth
b)
drinking milk
68.

Does the flavor of ice cream effect how fast the ice cream melts? The flavor of ice cream is the....

a)

independent variable

b)

dependent variable

69.

Does the type of shoe worn during a 30 meter dash affect the speed of the runner? The speed of the runner is the...

a)

independent variable

b)

dependent variable

70.

How does increasing the slope of a ramp affect how far a marble travels? Increasing the slope is the...

a)

independent variable

b)

dependent variable

71.

What effect does decreasing the temperature of a room have on a lifespan of a battery? The temperature of the room is the...

a)

independent variable

b)

dependent variable

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