This study set covers Science through 12 practice questions. Exploration of the solar system, planetary motion, seasons, moon phases, and eclipses. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Solar System Phenomena and Exploration study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the time taken by a planet to turn once around its own axis called?

A Revolution
B Rotation
C Orbit
D Tilt

2 What is the time taken by a planet to revolve once around the sun called?

A Rotation
B Orbit
C Year
D Day

3 Which two planets in our solar system have no sub-planets (moons)?

A Earth and Mars
B Jupiter and Saturn
C Mercury and Venus
D Uranus and Neptune

4 Which planet has the longest rotational time?

A Earth
B Venus
C Mars
D Jupiter

5 Which planet has the shortest rotational time?

A Earth
B Venus
C Mars
D Jupiter

6 What causes seasonal changes on Earth?

A Rotation of the Earth
B Revolution of the Earth with a tilt
C Solar flares
D The Earth's magnetic field

7 What is the tilt of the Earth's axis to its orbital plane?

A 0 degrees
B 90 degrees
C 23.5 degrees
D 45 degrees

8 Why do phases of the moon occur?

A The moon emits its own light
B The Earth blocks the sun's light
C The changing angle at which we view the illuminated portion of the moon
D The moon's shadow on the Earth

9 What are the two main types of eclipses?

A Solar and Lunar
B Planetary and Stellar
C Galactic and Universal
D Red and Blue

10 What is the name of the area where a total solar eclipse can be seen?

A Penumbra
B Umbra
C Corona
D Shadow

11 What force keeps planets in orbit around the sun?

A Frictional force
B Magnetic force
C Gravitational force
D Electrical force

12 In which hemisphere is it winter when it is summer in the northern hemisphere?

A Eastern
B Western
C Southern
D None

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