The Solar System

If you live in the Southern Hemisphere, what season do you have in August?

• spring

• summer

• fall

• winter

What causes the moon's phases?

• Earth's orbiting the sun

• Earth's rotation

• The moon's orbiting Earth

• The moon's rotation

What separates the inner planets from the outer planets?

• Venus

• comets

• Earth

• asteroid belt

What makes Earth different from other planets in the solar system?

• It is very rocky

• It has liquid water

• It has an atmosphere

• It has the most moons

?Which word best describes the sun

• small star

• medium-size star

• large star

• very large star

Which statement is true?

• Planets shine with a steady light, while stars twinkle

• Star are the brightest objects in the night sky

• Unlike stars, planets are easy to see because they glow with heat energy.

• Planets do not move in the sky, but stars do

How do the inner and out planets differ?

• The outer planets have fewer moons than the inner planets do

• The outer planets are smaller than the inner planets

• The inner planets are farther from the sun

• The inner planets are dense and rocky, while the outer planets are made mostly of gas

Which detail explains why summers at the North Pole are cold?

• Winters are long at the poles.

• The North Pole is covered with ice.

• Earth's revolution around the sun slows during the summer

• The sun's rays are indirect at the North Pole.

What does this illustration BEST show?

• Why Earth has day and night

• Why planets orbit the sun

• Why the moon has phases

• Why Earth has seasons

Suppose there is a full moon tonight. Which phase of the moon will you see in about 15 days?

• full moon

• first quarter

• new moon

• Third quarter