I am a cloud that brings rain and thunderstorms. What am I?

• Cirrus cloud
• Cumulonimbus cloud
• Stratus cloud
• Altocirrus cloud

This picture represents the __________________ theory.

• heliocentric
• geocentric

This picture represents the ______________ theory.

• heliocentric
• geocentric

How much of the Earth's water is saltwater?

• 97%
• .3%
• 3%
• 30%

How much of Earth's water is drinkable?

• 3%
• 25%
• .3%
• 30%

Earth's atmosphere contains water vapor, nitrogen and __________. 

• iron
• sulphur
• oxygen
• sodium

What causes the seasons?

• Rotation of the Earth
• Gravity
• Revolution of the Earth
• Tilt of the Earth

Which scientist proposed that the planets move in an elliptical orbit around the Sun?

• Galileo
• Kepler
• Newton
• Ptolemy

The climate of a location depends on these 2 factors- 

• precipitation and temperature
• longitude and latitude
• altitude and location
• precipitation and location

Selena wants to conserve water in her home. Which of the ways below would conserve the MOST water?

• turn off water when brushing teeth
• taking shorter showers
• washing small loads of laundry
• fixing faucets that leak water all day