Rotation
Revolution
Orbit
Planets
Vocabulary
100

How long is one rotation of the Earth?

24 hours

100

How long does Earth's revolution take?

365 days

100

Earths ____ makes it move away from the sun?

Inertia 

100

List the rocky planets

Mars, Venus, Earth, Mercury

100

What is the mnemonic used to memorize the order of the planets? 

My very eager mother just served us noodles

200

The Earth's rotation gives us?

Day and night 

200

The Earth's revolution give us ?

The seasons

200

Gravity and Inertia produce Earth's ___?

Orbit

200

List the gas giants?

Jupiter, Saturn, Uranus, Neptune 

200
The best science teacher is?

Ms. Breanna 

300

A sphere of hot gases that produces its own energy is?

A star

300
Each point in Earth's orbit at which daylight hours are at their greatest or fewest is called?

Solstice 

(Name the 2 for extra points)

300

An Orbit is?

The path that an object travels around a larger object 

300

The largest planet is?

Jupiter

300

The force of attraction, or pull, between two objects

Gravity 

400

Includes the sun and all the objects that orbit around it?

The solar system 

400

Each point in Earth's orbit at which the hours of daylight and darkness are equal is an?

Equinox 

(Name the 2 for extra credit)

400

Earth is the ___ planet from the sun?

Third 

400

Name all the planets in order

Mars, Venus, Earth, Mercury, Just, Saturn, Uranus, Neptune 

400

The tendency of an object to keep moving in a straight line?

Inertia 

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