Vocabulary
What is energy that comes from an electric current called?
electrical energy
What is a material that lets heat or electricity travel through it easily?
Carter plugs a radio into an electrical outlet and turns it on. What change in energy takes place when he does this?
Electrical energy turns into sound energy.
Sometimes a region will have a heat wave. What happens to the temperature when the heat wave ends?
Temperature drops.
What is energy that is released by a chemical reaction?
What is the movement of heat without anything needed to carry it?
radiation
What form of energy results from vibrations that travels through the air?
sound energy
The sun is a heat source. Reptiles use the sun to regulate their body temperature. What would happen to the lizards body when it lies out in the sun?
Its body temperature increases.
What is energy that moves between objects of different temperatures?
heat
What is a material that does not allow heat or electricity to travel through it easily?
Fossil fuels are a major source of energy. Which material is not a fossil fuel?
coal, natural gas, oil, plastic.
natural gas
Heat must flow to cause a material to change its temperature. Which action will change an ice cube's temperature the most in the shortest amount of time? Place the ice cube in a glass of warm water or to place an ice cube in a pot of boiling water.
Place an ice cube in a pot of boiling water.
What is the movement of heat between two objects that are touching?
conduction
What is the ability to cause changes in matter?
energy
Is a book sitting on a shelf, potential energy or kinetic energy?
potential energy
Joseph is making a poster about conductors and insulators. Which object should be list as a conductor: rubber eraser, aluminum can, plastic straw, or a wooden pencil?
aluminum can
What is stored energy?
potential energy
What is the energy of motion?
kinetic energy
A rolling ball has kinetic energy. What does it mean for an object to have kinetic energy?
The object is in motion.
Brad's pots and pans in his kitchen are made of steel, copper and aluminum. What is the best reason Brad's pots and pans are made of these materials?
The are excellent conductors of heat.