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Stars vs Planets

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Planets are smaller than stars

a)

true

b)

false

2.

Stars are much farther away than planets

a)

true

b)

false

3.

What word best describes our sun?

a)

Average

b)

Supergiant

c)

Dwarf

d)

Red Giant

4.

What is the name of baby stars?

a)

Dwarf

b)

Supergiant

c)

Protostars

d)

Nebulas

5.

True or False
Stars are really close together in outer space.

a)

True

b)

False

6.

What are stars?

a)

Rocky bodies

b)

Hot exploding balls of gas

c)

5 pointed shapes

d)

Hollywood actors

7.

Planets do NOT do this; but stars do

a)

rotate

b)

revolve

c)

orbit

d)

twinkle

8.

What is a planet?

a)

A hot ball of gas

b)

A body that orbits around another planet

c)

Something that can produce its own light

d)

A large body in space that orbits a star

9.

Why do stars have different colors?

a)

They have different compositions

b)

They have different Snapchat filters

c)

They have different temperatures

d)

They different luminosity

10.

Sphere shaped

a)

planets

b)

stars

c)

both planets and stars

11.

Differ in size

a)

planets

b)

stars

c)

both planets and stars

12.

A planet is...

a)

...a hot ball of gas.

b)

...something that can produce its own light.

c)

...a body that orbits around another planet.

d)

...a body of rock or gas that orbits a star.

13.

Makes their own light

a)

Planets

b)

Stars

c)

Both

14.

Does not move

a)

Planets

b)

Stars

c)

Both

15.

Are round in shape

a)

Planets

b)

Stars

c)

Both

16.

What is the primary difference between stars and planets in terms of light emission?

a)

Stars emit their own light, while planets reflect light from a star.

b)

Planets emit their own light, while stars reflect light from a planet.

c)

Both stars and planets emit their own light.

d)

Neither stars nor planets emit their own light.

17.

Which of the following is a characteristic of stars but not planets?

a)

Having a solid surface

b)

Undergoing nuclear fusion

c)

Orbiting a star

d)

Having moons

18.

What causes stars to twinkle, unlike planets?

a)

Their rapid rotation

b)

Atmospheric turbulence

c)

Their distance from Earth

d)

Their size

19.

Which of the following statements is true about the size comparison between stars and planets?

a)

Stars are generally smaller than planets.

b)

Planets are generally larger than stars.

c)

Stars are generally larger than planets.

d)

Stars and planets are usually the same size.

20.

How do planets differ from stars in terms of their formation?

a)

Planets form from the remnants of a supernova.

b)

Planets form from the accretion of dust and gas in a star's orbit.

c)

Planets form from the collapse of a gas cloud under gravity.

d)

Planets form from nuclear fusion.

21.

Which of the following is true about the orbits of planets and stars?

a)

Planets orbit stars, while stars orbit planets.

b)

Stars orbit planets, while planets orbit other planets.

c)

Planets orbit stars, while stars do not orbit planets.

d)

Stars and planets orbit each other equally.

22.

What is the main reason stars appear to move across the sky at night?

a)

The rotation of the Earth

b)

The movement of stars themselves

c)

The orbit of the Earth around the Sun

d)

The expansion of the universe

23.

Which of the following best describes a planet?

a)

A celestial body that produces its own light through nuclear fusion

b)

A celestial body that orbits a star and reflects its light

c)

A celestial body that is always larger than a star

d)

A celestial body that is made entirely of gas

24.

Why do stars have different colors?

a)

They have different compositions

b)

They have different temperatures

c)

They have different sizes

d)

They have different distances from Earth

25.

What is the primary component of stars that allows them to shine?

a)

Helium

b)

Oxygen

c)

Hydrogen

d)

Carbon