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4th Grade Space Unit Test Practice

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.

The image below shows the path of the Sun across the sky during different seasons when viewed from the Earth. Which season does each path represent?

a)

1 - Summer

2 - Fall and Spring

3 - Winter

b)

1 - Winter

2 - Fall and Spring

3 - Summer

c)

1 - Fall and Spring

2 - Summer

3 - Winter

2.

Look at the image. If the Sun is in this position in the sky, what time is it most likely?

a)

12:00 pm (noon)

b)

6:00 pm (evening)

c)

9:00 am (mid-morning)

d)

6:00 am (sunrise)

3.

Jin wants to figure out if there is a pattern in how the appearance of the Moon changes from night to night. What pattern do you notice?

a)

The bright part of the Moon that he can see gets larger between night 1 and night 14. (The moon is waxing.)

b)

The bright part of the Moon that he can see gets smaller between night 1 and night 14. (The moon is waning.)

4.

These arrows show which direction gravity will pull each person. Are they correct? Why or why not?

a)

Yes, they ARE CORRECT because gravity pulls objects towards the Earth.

b)

No, they are NOT CORRECT because gravity pulls objects towards the Earth.

c)

Yes, they ARE CORRECT because gravity pulls objects down.

d)

No, they ARE NOT CORRECT because gravity pulls objects down.

5.

The picture below shows the same person jumping as high as they can on two imaginary planets, Creon and Grumpia. Which planet has more gravity?

a)

Grumpia has more gravity. I can tell because the person's jump is higher.

b)

Creon has more gravity. I can tell because the person's jump is lower.

6.

What planets have ring systems, many moons, and are considered Gas Giants?

a)

Mercury, Venus, and Mars

b)

Mars, Jupiter, Saturn, and Uranus

c)

Jupiter, Saturn, Uranus, and Neptune

d)

Earth, Mars, Jupiter, Saturn

7.

Why are some constellations visible during part of the year but not during other parts of the year? 🌌

a)

The Earth spinning on its axis causes us to see different constellations during different seasons.

b)

The stars around us are moving every night, causing different constellations.

c)

The Earth orbiting the sun causes us to see different constellations during different seasons.

d)

The stars rearrange based on the seasons.

8.

2. The Ancient Greeks believed that the _____ moved around the Earth.

a)

planets

b)

solar system

c)

sun

d)

meteors

9.

1. True or False:

When you watch a sunset, the Sun is moving across the sky.

a)

True

b)

False

10.

3. What 2 scientists believed that the Earth actually moves around the sun? (Be sure to choose 2)

a)

Darwin

b)

Galileo

c)

Einstein

d)

Newton

e)

Copernicus

11.

From Sunday evening to Friday evening, how many complete spins does the Earth make? (You can use your fingers to count!)

a)

1

b)

3

c)

5

d)

7

12.

6. If the Earth were to spin twice as fast as it does now, how many hours would be in one day (one complete spin)?

a)

12 hours

b)

48 hours

c)

36 hours

d)

2 hours

13.

7. If the Earth were to spin half as fast as it does now, how many hours would be in one day (one complete spin)?

a)

12 hours

b)

48 hours

c)

36 hours

d)

2 hours

14.

2. What time is it when the sun is directly over head?

a)

midnight

b)

1 PM

c)

5 PM

d)

noon

15.

3. What happens to shadows as time passes during the day?

a)

they stay still

b)

they move based on the position we see the sun

c)

they change colors

d)

they move based on the texture of the ground

16.

7. The planet Mercury takes 176 days to do one spin around its pole. Compared to the Earth,would the Sun appear to move more quickly across Mercury's sky or more slowly?

a)

more quickly

b)

more slowly

17.

The Earth's rotation (spinning) causes which of the following to happen?

a)

months

b)

years

c)

night and day

d)

seasons

18.

If the spinning Earth suddenly slowed down, what would be the effect on the length of our day?

a)

The day would get shorter.

b)

The day would get longer.

c)

The day would stay the same.

19.

The earth's orbiting motion around the sun causes which of the following?

a)

years

b)

seasons

c)

both years and seasons

20.

The number of the daytime hours is longer in winter.

a)

True

b)

False

21.

Which number is most likely to be the position of the sun at noon in the summer?

a)

1

b)

2

c)

3

22.

Which constellation can be seen at nighttime in the spring?

a)
b)
c)
d)
23.

If a planet has MORE gravity than the Earth, a person would have a ___________________ jump than on Earth.

a)

higher

b)

lower

24.

Which of the following statements about gravity and magnetism is FALSE?

a)

a. Gravity and magnetism are both invisible forces.

b)

b. Gravity and magnetism can both pull on objects.

c)

c. Gravity pulls on everything, but magnetism only pulls on magnetic objects.

d)

d. Gravity pulls only on magnetic objects, but magnetism pulls on everything.

25.

4. Which of the following planets has the most gravity and which has the least gravity?

a)

a. Planet A has the most gravity and Planet B has the least gravity.

b)

b. Planet D has the most gravity and Planet A has the least gravity.

c)

c. Planet A has the most gravity and Planet D has the least gravity.

d)

d. Planet C has the most gravity and Planet D has the least gravity.

26.

5. Which planet in our solar system has the most gravity?

a)

Earth

b)

Saturn

c)

Jupiter

d)

Mercury

27.

Which of the following does NOT equal how long it takes Earth to complete its orbit around the sun? (Three of these time periods are equal to each other; one is not.)

a)

24 hours

b)

12 months

c)

365 days

d)

1 year

28.

3. The moon cycles through its phases about once a ________.

a)

day

b)

hour

c)

month

d)

year

29.

4. Which phase is pictured?

a)

Full Moon

b)

Half Moon

c)

New Moon

d)

Crescent Moon

30.

As the moon’s shape appears to get smaller, it is said that the moon is _____.

a)

waxing

b)

waning

c)

swelling

31.

What number represents a Waning Crescent?

a)

2

b)

4

c)

6

d)

7

e)

8

32.

What numbers represent gibbous moons?

a)

3

b)

4

c)

5

d)

6

e)

7

33.

What phase of the moon is represented by number 1 ?

a)

Full Moon

b)

Waxing Gibbous

c)

Waning Crescent

d)

New moon

34.
Solid, rocky surface is a characteristic for...
a)
Inner planets
b)
Outer planets
c)
Both
d)
Saturn
35.
Home to the 'Great Red Spot'
a)
Mars
b)
Jupiter
c)
Saturn
d)
Miami
36.
Which force is keeping the planets in position and orbiting the Sun?
a)
Gravity
b)
Magnetism
c)
Electricity
d)
Friction
37.

The spinning of an object on its axis is called its ______.

a)

orbit

b)

rotation

c)

tilt

d)

tide

38.
The greater the mass of an object, the ________ gravitational force is exerted on other objects around it.  
a)

more 

b)

less

39.
This planet is nicknamed the "Red Planet" because it is made up of Iron Oxide.
a)
Venus
b)
Mercury
c)
Jupiter
d)
Mars
40.
The revolution of this planet is the longest.
a)
Neptune
b)
Mars
c)
Jupiter
d)
Saturn
41.
Neptune's "Great Dark Spot" is a
a)
Giant Canyon
b)
Vast Ocean
c)
Giant Storm
d)
Area that never faces the Sun
42.

Which of these planets has the shortest revolution? 

a)

Venus

b)

Earth

c)

Neptune

d)

Saturn

43.

Our star and the planets that orbit around it is called:

a)

Our galaxy

b)

Our universe

c)

Our space station

d)

Our solar system

44.

What is the large spacecraft that orbits the Earth, in which astronauts from different countries live and run experiments?

a)

The International Spaceship

b)

The International Space Station

c)

The SpaceX Space Station

d)

The Rocketships

45.

Which is true, based on the following chart about the inner planets?

a)

Earth takes less time to make a complete rotation than Mercury.

b)

Mercury has the longest day and the longest year.

c)

Venus has the longest day and the longest year.

d)

Venus has the longest day, while Mars has the longest year.

46.

Why are we able to see the moon from Earth?

a)

The sun shines on the moon, allowing us to see parts of it.

b)

The sun shines on the Earth, allowing us to see the moon.

c)

The moon's light turns on and off throughout the month.

d)

The moon revolves around us and lights up.

47.

Which planet's tilt on its axis is so great that it appears to be spinning on its side?

a)

Venus

b)

Uranus

c)

Jupiter

d)

Mercury

48.

Which of the following describe the inner planets? (More than 1 correct answer)

a)

relatively small

b)

rocky

c)

many moons

d)

short periods of revolution (shorter years)

49.

Which of the following is NOT an important feature when designing a spacesuit?

a)

Movability

b)

Protection against outer objects

c)

Air pressure inside

d)

Oxygen levels

e)

Color of fabric

50.

Which statement about a spaceship's heat shield design is FALSE?

a)

A heat shield helps with a safe reentry into Earth's atmosphere by crew.

b)

A heat shield can make a ship reusable.

c)

A heat shield is inexpensive to build.

d)

A heat shield is more expensive and requires more fuel than a ship with no heat shield.