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Which type of transfer is able to happen in a solid?
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Which type of transfer is able to happen in a fluid?
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Energy Transfer
Thermal Energy Transfer types
| Question | Answer |
|---|---|
| Which type of transfer is able to happen in a solid? | conduction |
| Which type of transfer is able to happen in a fluid? | convection |
| When we say fluid, we mean what? | liquids or gases |
| Which type of transfer can cross the vacuum of space? | radiation |
| When we say vacuum of space, what do we mean? | the emptiness of space between planets, moons, stars, etc. (not these objects themselves) |
| What type could cause the interior of a car to rise to 100 degrees F on a day that only has a high of 60? | radiation from the sun |
| What type is found in the movement in the mantle of the earth? | convection |
| What type happens with wind patterns, like the jet stream? | convection |
| What type warms the atmosphere from space? | radiation |
| What type is seen as air rises above a hot road and can be seen as a "heat haze?" | convection |
| What type makes a handle on a metal marshmallow fork get hot when the other end is in or near the fire? | conduction |
| Explain what energy transfer happens when an ice pack is placed on an injured leg muscle. | Thermal energy is transferred from the muscle and skin to the ice pack, through conduction. Less thermal energy makes the skin and muscle cooler, while the ice pack gets warmer, because it gained the thermal energy. |
| What type is seen in warm air rising in your house after the furnace pumps the warm air out of a vent? | convection |
| Explain (using this topic and vocabulary) why turning off some lights can help keep a room cooler in the summer than if you left the lights on. | Lights radiate heat. Turning them off can reduce added thermal energy to the room. |
| What happens to the particles in any substance when thermal energy is added? | They speed up. |
| Which type of transfer needs no particles in between the source of the thermal energy and the object being heated? | Radiation needs no particles in between. The source is made of matter, and so is the object being heated, but nothing needs to be between them. |
| Which type of transfer happens when thermal energy goes from one object to another? | conduction |
| Which type of transfer happens when part of a substance is warmer because particles in the substance have moved to other locations in the substance (as in from top to bottom and bottom to top)? | convection |
| What is another name for liquids and gases? | fluids |
| If you touched something hot, like a hot stove, and it burned you, which type of transfer was it? | conduction |
| If someone spilled hot coffee on you, and your skin got burned, which type of transfer happened? | conduction - Even though the coffee is a liquid, the thermal energy is transferring to you (a solid), NOT fluids mixing together. |
| You pour creamer into some hot coffee. They begin mixing together. | convection |
| Thermal energy always travels from areas that are ____________ to areas that are ___________. | Thermal energy always travels from areas of higher thermal energy (hotter) to areas of less thermal energy (cooler areas). |
| What force often causes energy to become thermal energy and transfers some to other objects or air? | friction |
| What type of transfer occurs when you cook food in a microwave oven? | Radiation - Microwaves are a form of radiation, causing the molecules of the food to speed up. |
| Energy can never be _______________________ nor _______________________. | Energy can never be created nor destroyed! |
Created by:
TBraunsdorf