Marquis and Parker are using leather and cloth to make safety clothing for people who work with heat. Why are they using leather and cloth?
Leather and cloth are poor conductors of heat. The heat doesn't travel through the leather and cloth easily.
400
What is the source of energy that makes the blades turn on a windmill?
Wind and moving air.
400
What is another word for light that BENDS?
Refraction.
400
Does a skier standing at the top of a mountain have more or less energy than a person standing at the bottom of a mountain?
A skier standing at the top of a mountain has MORE energy than a person standing at the bottom of the mountain.
400
Pamela turns on a lamp. The lamp uses electrical energy. What are two forms of energy that are present when the lightbulb goes on?
Light energy, heat energy, electrical energy, or energy of motion.
400
What are five POOR conductors of heat?
Cloth, rubber, wood, glass, and plastic
500
Describe the energy that happens as the blades of a windmill turn.
The energy of motion and electrical energy is produced.
500
What happens when Jayden takes a flashlight and shines it on a door?
The light travels in a straight line until it hits the door. The door reflects the light. We are able to see the door.
500
What happens if water coming out of a hose runs out of energy of motion?
The water will stop flowing out of the hose.
500
Pamela turns on a lamp. The lamp uses electrical energy. It also has heat energy and light energy. How can Pamela tell that these other forms of energy are present?
Pamela can FEEL the heat and SEE the light. Electrical energy is flowing through the wires.
500
Kayla places a hot spoon in a glass of cold water. What will happen to the temperature of the spoon AND the water? Why?
The temperature of the spoon will decrease (get cooler) and the temperature of the water will increase (get warmer) BECAUSE heat energy flows from a warmer object to a cooler object.