Meredith has to design a device that converts energy between two different forms. She decides she wants to convert electrical energy into sound and light. Which invention should she model her design after?

Glen and his friend London are going sledding at a local park. There are two hills to choose from, "The Bunny Slopes," which are small hills and lots of flat surfaces, and "The Dragon," which is a steep hill and not for beginners. If London goes first and reaches the bottom and Glen crashes into him from behind on "The Dragon," what would happen to the motion of their sleds?

Which of these has the most speed and energy?

Which of the following is an example of a good conductor of heat?

Which object is an example of a device that converts electrical currents into heat energy?

What are the three ways that heat can move or transfer?

The bouncing of light off an object is called what?

Which of the following is an example of energy being transferred by sound?

Energy transferred by sound must travel through a medium. Which answer choice(s) are an example of a medium?

Mike designed a new firework for the holiday display. He spent weeks coming up with the perfect design to convert chemical energy into three forms of energy. Which three types of energy does a firework emit?