Science review

Momentum is calculated by multiplying

• weight times mass

• mass times velocity

• inertia times force

This gas forms less than one percent of the atmosphere, but is essential to life

• nitrogen

• oxygen

• carbon dioxide

Type of cloud forms a high altitudes and appears wispy and feather

• cirrus

• cumulus

• stratus

 The name for raindrops that freeze as they fall through the air

• frost

• sleet

• dew

• hail

The tendency of an object to resist a change in motion is called

• gravity

• force

• inertia

• mass

What is the energy source of the water cycle?

• the moon

• the sun

• water

• air

   How are weight and mass different?

   How can two objects of different masses have the same momentum?

  Why do clouds usually form high in the air instead of near Earth’s surface?

  What is the tendency of an object to resist a change in motion?