Science 6 Ch. 19

Why can we see only one side of the moon from earth?

• The Moon's revolution and rotation take the same amount of time.

• The Moon's rotation takes longer than its revolution.

• The Moon's revolution takes longer than its rotation.

• The Moon does not rotate.

The sun is made of

• energy particles called supernova.

• a special type of neon light.

• hot gases called plasma.

• a giant ball of fire.

Why do summer days have more hours of sunlight than winter days have?

• The sun generates more light and heat energy during the summer than during the winter.

• Earth revolves closer to the sun during the summer than during the winter.

• The tilt of the earth affects the hours of the sunlight during the seasons.

• Earth rotates slower during the summer months.

Which phase of the Moon is the dark phase of the Moon?

• waning crescent

• waxing crescent

• new moon

• full moon

Why does the Sun always seem to rise in the east?

• because the Sun revolves around earth from east to west

• because the Sun revolves around earth from west to east

• because Earth spins from east to west

• because Earth spins from west to east

Which statement is true about the Sun?

• the Sun revolves around Earth and Earth's Moon

• the Sun revolves around Earth and other planets

• the Sun is at the center of the entire universe

• the Sun is at the center of our solar system

Look at the diagram below. It shows an eclipse. Imagine you are standing in the area of the Earth shown by the arrow. What will you see?

• partial solar eclipse

• total solar eclipse

• lunar eclipse

• no eclipse

What can cause auroras near Earth's poles?

• the gravitational pull of the Moon

• cyclical phases of the Moon

• prominences from the Sun

• solar flares from the Sun

During which season do the Sun's rays strike Earth at an angle and spread out?

• spring

• summer

• fall

• winter

When will your shadow be the shortest?

• at dinnertime during the summer

• at dinnertime during the winter

• at noon during the summer

• at noon during the winter