Basic Science Unit Test Part 1

What is the most abundant gas in the atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Argon

Which gas is essential for photosynthesis?

• Nitrogen

• Oxygen

• Carbon dioxide

• Argon

What is the primary cause of weather phenomena such as clouds and rain?

• Carbon dioxide

• Water vapor

• Nitrogen

• Oxygen

What layer of the atmosphere contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere is the coldest?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What is used to measure atmospheric pressure?

• Thermometer

• Barometer

• Hygrometer

• Anemometer

Which instrument is used to measure wind speed?

• Wind vane

• Anemometer

• Barometer

• Hygrometer

What does a hygrometer measure?

• Temperature

• Atmospheric pressure

• Humidity

• Wind speed

What type of precipitation is made of ice pellets?

• Rain

• Hail

• Snow

• Sleet

Which type of cloud is wispy and made of ice crystals?

• Cumulus

• Stratus

• Cirrus

• Nimbostratus