When heat is transferred by the movement of currents within a fluid it is called 

• conduction
• convection
• radiation

The transfer of energy by electromagnetic waves is called

• conduction
• convection
• radiation

Heat transfer continues until both objects are at thermal equilibrium. 

• True
• False

Which of the following has the lowest albedo?

• the oceans

• glacial ice

• sand

• clouds

The following is an example of what type of feedback loop?

• Negative Feedback Loop

• Neutral Feedback Loop

• Positive Feedback Loop

Which of the following is an example of a greenhouse gas?

• Water Vapor

• Hydrogen

• Oxygen

• Neon

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

Which of the following electromagnetic waves do humans sense as heat?

• ultraviolet light

• x-rays

• gamma rays

• infrared rays

True or False: The reason your car gets hot on a summer day is because infrared light can get in, but ​visible light can't get back out.

• True

• False

The reason that we have seasons on Earth is because the Earth

• is round.

• is tilted.

• has different surfaces that relect and absorb different amounts of the sun.

• farther away from the sun in the winter than in the summer.