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Light & Heat Test
Mrs. Foster's Class sample flashcards for test 11/10
Question | Answer |
---|---|
Hottest part of a flame is... | The inner blue part. |
Heat is a form of... | Energy |
A substance which traps heat and doesn't allow it to flow is... | An insulator |
A substance that allows heat to flow through it is... | A conductor |
This is an example of an insulator | styrofoam |
This is an example of a conductor | metal |
List the three ways heat travels: | Radiation, conduction, convection |
When heat/energy travels in waves, like the sun, this is called... | Radiation |
When heat/energy is passed from one atom to another, touching each other,like a pot on an electric stove, this is called... | Conduction |
When hot substances form a current due to differences in density (hot and cold)this is called... | Convection |
An example of a convection current is... | lava rising up from the center of the earth, then cooling and sinking back down. Hot air rising from a heater, cooling at the ceiling and sinking back down. |
Heat is.. | Thermal energy given off. |
Temperature is... | How heat energy is measured. |
Calorie is a way to measure... | energy (a unit of measurement) |
c (calorie) stands for | heat energy unit |
C (Calorie) stands for | food energy unit |
Food is what kind of energy? | Potential/stored energy. It is digested, and turned into energy through a chemical process. |
Specific Heat | the amount of heat needed to raise one gram of a substance 1 degree Celsius. |
What are the 4 states of matter? | Solid, liquid, gas, plasma |
Matter takes up... | space |
Matter cannot be ____________ or ______________. | Created or destroyed. |
Kinetic energy is ... | energy doing work. |
List the 6 kinds of energy: | heat, sound, light, mechanical, chemical, nuclear |