Solar System Test

What causes the changes from night to day on Earth?

• Earth's tilt

• Earth's orbit of the sun

• The moon orbiting Earth

• Earth rotating on its axis

Do the inner or outer planets have more moon?

• inner

• outer

Are the inner or outer planets made up of mostly rock?

• inner

• outer

Do the inner or outer planets have rings?

• inner

• outer

What is the second planet from the sun?

• Mercury

• Earth

• Jupiter

• Venus

What causes Earth's seasons?

• Earth's orbit

• Earth's tilt on its axis

• The moon

• The speed in which Earth rotates

What keeps a planet moving on its path around the sun

• gravity & inertia
• heat & pressure
• inertia & pressure
• gravity & heat

What is an astronomical unit?

• distance between the moon and earth
• distance between the earth and pluto
• distance between the earth and sun
• distance between NJ and Cali

The closer a planet is to the sun...

• the faster it travels
• the slower it travels

All of the outer planets--

• have many moons
• are small
• have a short orbit around the Sun
• are rocky