Unit C Weather and the Solar System

What is the atmosphere? a.Water vapor in the air around Earth b.The oxygen in the air around Earth c.The clouds in the air around Earth d.The mixture of gases that surrounds Earth

The force that air exerts on a given area is called a.Air mass b.Air pressure c.Jet stream d.Wind

Which instrument measures air pressure? a.Weather vane b.Barometer c.Rain gauge d.Thermometer

What causes air pressure a.Moving clouds b.Falling rain c.Moving air particles d.Changing weather

What happens to air as you climb a high mountain? a.It thins b.It thickens c.It gets wetter d.It does not change

Which is NOT a reason the Earth’s surface heats unevenly? a.Earth’s shape b.Earth’s core c.Earth's motions d.Earth’s tilt

What kind of weather would you expect if you saw this cloud in the sky? a.Severe weather b.Light rain c.A tornado d.Sunny day

Wind is… a.Changing air pressure b.Moving clouds c.Moving air particles d.Blowing rain

In the spring, snow melting on mountains can cause a a.Blizzard b.Flood c.Drought d.Volcano

The word solar refers to a.The Sun b.The Moon c.Earth d.Outer space

Which object can be classified with Earth and Jupiter a.An asteroid b.The Moon c.Saturn d.The Sun

Our solar system is one part of a larger a.Asteroid b.Comet c.Galaxy d.Planet

The arrow in this diagram is pointing to a a.Star b.Planet c.Moon d.Comet

The Sun is a(n) a.Asteroid b.Meteor c.Planet d.Star

Gravity causes a.Objects to fall b.Objects to raise c.Objects to fly d.Objects to float

What is an orbit? a.A path toward an object b.A path around an object c.A path away from an object d.A path above an object

To rotate means to a.Orbit b.Sway c.Revolve d.Spin

What holds Earth in orbit? a.Movement b.Rotation c.Gravity d.Revolution