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Chapter 15-Weiser

What types of material should you wear when it's cold? Why does these materials keep you warm? Thick coats, gloves, hats, and boots. They keep warm air from escaping
A calculator that runs with or without a battery in the light needs __________energy to run. I can tell because it needs________in the dark. solar batteries
A calculator that runs with or without batteries uses what kind of resources? Renewable for the batteries and nonrenewable for the sun
__________________uses the most energy. Driving a car
___________is the ability to cause a change in matter Energy
A piece of pottery on the edge of a high shelf has _________energy. potential
Saving something so that it doesn't get used up is_________________. conservation
___________is the movement of thermal energy by electromagnetic waves. Radiation
Energy due to an object's condition or position is________________. potential energy
________________is the energy of motion. Kinetic energy
Transfer of thermal energy by the movement of a gas or liquid is ___________. convection
_____________is the direct transfer of thermal energy from one object to another. Conduction
Stored energy that can be released by a chemical reaction is____________________. chemical energy
The source of light energy is the_________. sun
The temperature of the air rises because______________________. particles in the air move more quickly
__________is a renewable source of energy. Wind
Heat can be transferred by_________________. radiation
Some pots have a layer of copper on the bottom because___________________. copper is a good conductor of heat
Warming up cold water by adding hot water to it, is an example of ________________. convection
Air particles move more quickly when: the sun is out and the temperature is high
A metal shed will be ______________in the summer and ____________in the winter. hot cold
A wood shed would be ___________in the summer and ___________in the winter. hot cold
Created by: Mrs. Logan
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