6th Grade Science Test

What is the most abundant gas in Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Which layer contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What protects Earth from meteors?

• Stratosphere

• Mesosphere

• Troposphere

• Thermosphere

Where does weather occur?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere do we live in?

• Stratosphere

• Mesosphere

• Troposphere

• Exosphere

Where does weather occur?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

What causes a cold front?

• Cold air rising over warm air

• Warm air pushing under cold air

• Cold air pushing under warm air

• Hot and cold air mixing

What scale measures tornado strength?

• Richter Scale

• Fujita Scale

• Hurricane Scale

• Kelvin Scale

Which of these is a stationary front?

• Cold front

• Warm front

• Neither air mass moves

• Air masses switch

What tool measures air pressure?

• Thermometer

• Barometer

• Anemometer

• Rain gauge