Unit 1 Review

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

• a 500 kg boulder on a 5 meter hill

• a 500 kg boulder on a 10 meter hill

• a 500 kg boulder on a 20 meter hill

What two factors affect GRAVITATIONAL POTENTIAL energy?

• mass

• height

• speed

• mass and speed

• mass and height

What two factors affect kinetic energy?

• mass

• speed

• height

• mass and speed

• mass and height

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

When plants convert the sun's energy into food, which type of energy is it?

• kinetic
• chemical
• thermal
• radiant

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?

• thermal to light
• gravitational to potential
• radiant to electrical
• chemical to light

According to which law of energy, energy can't be created or destroyed?

• First law of motion
• The law of tacos
• Laws of Energy
• law of conservation of energy

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

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

• conduction
• convection
• radiation
• Insolation