Energy Transfers

When lightning strikes, which of the following forms of energy is not transformed?

• Light/Radiant Energy
• Sound Energy
• Mechanical Energy
• Thermal Energy

 Maddie found a puddle in front of her house following a rain storm. If the puddle absorbs energy as heat through the afternoon, what is likely to happen?

• condensation
• evaporation
• freezing
• melting

Ben placed a pat of butter in a hot frying pan and the butter began to melt. What caused this change of state?

• The butter lost thermal energy.
• The butter lost chemical energy.
• The butter gained thermal energy.
• The butter gained chemical energy.

Tony is riding in a roller coaster car. After the car reaches the highest point on the track, it begins moving downward. What happens to the potential energy of the car as it moves?

• It is destroyed and lost.
• It remains at a constant level.
• It is converted to kinetic energy.
• It increases as height decreases.

What is created as a result of every energy conversion?

• Thermal Energy
• Mechanical Energy
• Radiant Energy
• Chemical Energy

In the lab, Jon placed two objects in contact with each other. What will determine the direction in which heat will flow between the two?

• the material its made of
• the volume of the objects
• the density of the objects
• the temperature of the objects

Kyra placed a beaker of water at 50° C in a room with an air temperature of 20° C. At what temperature will the water stop decreasing?

• 0°
• 20°
• 35°
• 50°

If Dan repeats Ted's experiment EXACTLY and gets the SAME results, what is this called?

• Repetition
• Replication
• Justification
• Evidence

When a scientist conducts an experiment, which of the following is NOT a method they would use in explain their scientific findings?

• assuming
• experimenting
• measuring
• observing

Energy stored in fuel, matches of a battery is what type of energy?

• kinetic energy
• thermal energy
• electrical energy
• chemical energy