Solar System
Space Exploration
Vocabulary
Comprehension
Language Skills
100

What planet is known as the Red Planet?

Mars!

100

What tool magnifies distant stars?

Telescope

100

What does frigid mean?

Freezing / very cold

100

What is an exoplanet?

A planet outside our solar system that orbits another star

100

Complete the sentence:
“It began to rain, ______ we moved our picnic indoors.” 

a. so

b. because

c. and

so

200

What causes day and night?

Earth’s rotation (spinning on its axis)

200

Who was the first human in space?

Yuri Gagarin

200

What is a satellite?

An object that orbits a planet

200

What is a brown dwarf?

A large gas object not big enough to become a star

200

Which sentence is punctuated correctly?

a. The three dog’s leashes are hanging up.
b. The three dogs leashes are hanging up.
c. The three dogs’ leashes are hanging up.

C. “The three dogs’ leashes are hanging up”? 

300

What galaxy is Earth in?

The Milky Way Galaxy

300

What causes tides on Earth?

Moon's gravity

300

What is gravitational pull?

The force that pulls objects toward each other

300

What are planets made from?

Gas, dust, and matter left over from star formation

300

Choose the correct word:
“I rushed through my homework and made a ______ mistake.”

a. careful
b. careless
c. carelessly

B. “careless” 

400

What is the largest planet?

Jupiter

400

What is a space probe?

An uncrewed spacecraft used to explore space and take pictures

400

What is an observatory?

A building used to study space

400

Why do scientists disagree about some objects being planets or not?

Because some objects don’t clearly fit planet or star definitions

400

Choose the best word:
“The brass band’s ______ music lifted our spirits.”

a. joyfully
b. joyless
c. joyous

C. Joyous
500

What is a lunar eclipse?

Earth passes directly between the Sun and the Moon

500

What space station allows long-term missions?

International Space Station (ISS

500

What does pursue mean in this sentence? 

"She decided to pursue a career in medicine."

To work toward or try to achieve something

500

What are the three planet requirements?

  • Orbits the sun
  • Has a spherical shape
  • Clears its orbit of large objects
500

Correct this sentence:
“The childrens toys was scattered all over the floor.”

“The children’s toys were scattered all over the floor”

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