CSA Science

Which season is taking place in the NORTHERN Hemisphere in Position 3?

• Winter
• Spring
• Summer
• Fall

As the Earth rotates, the part of the Earth facing the sun has ________.

• an axis
• darkness (night)
• daylight
• winter

What phase comes BEFORE this one?

• Waxing Crescent
• Waxing Gibbous
• Waning Gibbous
• Waning Crescent

What phase comes AFTER this one?

• Waning Crescent
• Waning Gibbous
• Waxing Crescent
• Third Quarter

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing

The cycle of the moon lasts about a _.

• day
• year
• week
• month

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.

• True
• False

Hot clouds of gaseous elements and compounds that act as nurseries for stars

• Galaxies
• Star
• Nebulae
• Black holes