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Heat Energy
All Things Heat (reassessment)
Question | Answer |
---|---|
____________ is the force that occurs when an object rubs against another object? | Friction |
What tool is used to measure temperature? | thermometer |
The movement of heat through gases and liquids is called ________________. | convection |
What is a conductor? | A material that allows heat to easily move through it. |
The movement of energy by invisible waves is called ____________. | radiation |
Rubbing your hands together creates _________. | friction |
True or False? When an ice cube melts, the particles are gaining thermal energy. | true |
The heater in a fish tank is an example of ____________. | convection |
The heat felt from a fire is an example of ___________. | radiation |
Heat moving from an oven to a pan cooking food is an example of ____________. | conduction |
Energy that comes from the sun is called __________ ___________. | solar energy |
What is an insulator? | A material that does not allow heat to easily move through it. |
What is temperature? | The measure of how hot or cold something is. |
Heat moving from warm soup to a metal spoon is an example of ______________. | conduction |
True or False? Metal is a good conductor. | true |
Getting a sunburn at the pool is an example of ______________. | radiation |
True or False? Houses that are insulated are warmer in the winter than houses that are not insulated. | true |
True or False? Using oven mitts when taking a hot pan out of the oven will insulate your hands from the heat. | true |
When you place a thermometer in a cup of hot cocoa, the liquid inside the thermometer will move in which direction? | up |
When you place a thermometer in a glass of iced tea, the liquid inside the thermometer will move in which direction? | down |
True or False? Plastic material would make a good baking pan. | false |
The energy of moving particles in matter is called __________ __________. | thermal energy |
True or False? Conduction is the movement of heat through solids. | true |
True of False? Wood material makes a good insulator. | true |
Temperature is measured in two different degrees. What are they? | Fahrenheit & Celsius |
At what temperature does water boil on the Fahrenheit scale? Celsius scale? | 212 degrees F 100 degrees C |
At what temperature does water freeze on the Fahrenheit scale? Celsius scale? | 32 degrees F 0 degrees C |
True or False? When the temperature gets warmer the liquid inside the thermometer moves up and the particles move faster as they heat and take up more space. | true |
True or False? When the temperature gets the liquid inside the thermometer moves down and the particles move down and closer together. | true |
_________ is the flow of thermal energy from warmer objects to cooler objects. | Heat |
True or False? When an object has more thermal energy, its particles move faster and can be felt as heat. | true |
What are the 4 ways heat is made? | electricity, friction, chemical change, burning fuels |
What are 4 fuels people burn to make heat? | wood, gasoline, fuel oil, natural gas |
An electric heater in a fish tank warms the water for the fish. How is the heat being made? | electricity |
True or False? A chemical change can make heat when different types of matter mix. | true |
When a hand warmer packet is shook or squeezed, the matters mix & create heat. In this case, heat is produced by what? | chemical change |
True or False? Many homes are heated by natural gas or fuel oil. | true |
What are the 3 ways that heat travels? | radiation, conduction, convection |
True or False? When standing by a campfire, the energy moves in waves from the fire and the energy causes you to feel heat. | true |
True or False? On a sunny day, solar energy will absorb on a metal slide and will feel warm to the touch. | true |
True or False? When sunlight hits a light colored material, for example a white shirt, the sun's waves bounce off or are reflected. | true |
True or False? When sunlight hits a darker colored material, for example a black shirt, the sun's waves are absorbed, or changed to heat. | true |