Earth and the Universe

The sun is a ____

The Earth rotates on its axis

• every minute

• once a day

• once a week

• once a year

Day and night are due to the Earth's ________ on its axis.

Earth orbits the Sun

• every day

• every month

• every year

• every 4 years

The Earth's tilt gives rise to ________.

The moon is the only Earth's _______ satellite.

The moon is visible from Earth because

• it reflects light from Earth

• it reflects light from the sun

• it gives off light

A collection of planets and celestial bodies orbiting a star is called the...

There are ___ planets in our solar system.

• 6

• 7

• 8

• 9

The inner planets are: (choose 2)

• Mercury & Venus

• Earth & Mars

• Jupiter & Saturn

• Uranus & Neptune