Forms of Energy
Riley and Tori were playing with dominoes. Riley touched the first domino, and it fell into the one beside it. The whole row of dominoes fell into each other. Which claim explains how this happened?
A. Sound energy made the dominoes fall.
B. Energy was not involved in causing the dominoes to fall.
C. Electrical energy made the dominoes fall.
D. Energy from Riley's hand caused the first domino to fall into the next.
D. Energy from Riley's hand cause the first domino to fall into the next.
Levi puts three index cards in a row on the table. Each card has a hole in it. The holes line up one behind the other. What will happen when the flashlight is turned on?
A. The light will pass through all three holes.
B. The light will stop on the last card.
C. The light will be absorbed completely by the first card.
D. The light will refract, or bend when it hits the first card.
A. The light will pass through all three holes.
You see a picture of your friend, Luke, diving into the water in the pool. You don't remember him diving in. What forms of energy could you infer were present when Luke dove into the water?
A. mechanical energy and electrical energy
B. mechanical energy and sound energy
C. light energy and electrical energy
D. electrical energy and sound energy
B. mechanical energy and sound energy
It's your birthday. A birthday cake with lit candles is placed on the table in front of you. What forms of energy are present in the lit candles on your cake?
A. heat energy and electrical energy
B. electrical energy and sound energy
C. light energy and electrical energy
D. heat energy and light energy
C. heat energy and light energy
You see a straw sticking out of a glass of water. It looks like part of the straw that is sticking up out of the water is not attached to the part that is in the water under the surface. What causes this to happen?
A. The light rays are blocked by the glass.
B. The light rays bounce off the straw and water.
C. The light rays bend and refract.
D. The light rays travel in a wavy path.
C. The light rays bend and refract.
You are looking at pictures from your birthday party. Which statement is an inference BASED on an observation?
A. The balloons are blowing in the wind.
B. Luke dove to the bottom of the pool.
C. Everyone sang me happy birthday.
D. It looks like the frosting is melting.
D. It looks like the frosting is melting.