6th Grade Review

What heat transfer method is used to get the heat energy from the Sun to the Earth?

• conduction
• convection
• radiation

How long does it take the Earth to make one rotation?

• 24 hours
• 12 hours
• 8 hours
• 48 hours

What term means one complete turn of the Earth around the sun?

• renovation
• revolution
• rotation
• revelation

What gas is most seen in the atmosphere

• Carbon Dioxide
• Nitrogen
• Oxygen

What is the primary source of energy for the Earth?

• Coal
• Wind power
• Natural gas
• The sun

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

Which of the following is a nonrenewable resource?

• Solar energy
• Wind energy
• Biomass
• Oil/ petroleum

Which of the following is not a fossil fuel?

• coal 
• oil
• uranium
• natural gas

Resources that can be replaced in 100 years or less are called......

• exaustable
• renewable
• nonrenewable
• recyclable

Coal is a __________ energy resource.

• Renewable
• Nonrenewable