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WorksheetsScience test prep
Total questions: 27
Worksheet time: 20mins
What is this the definition of? When thermal energy is transferred from a higher temperature area to a lower temperature area.
Conduction
Convection
Heat
Radiation
What is this a definition of? The transfer of kinetic energy from one medium or object to another, or from an enrgy source to a medium or object.
Convection
Heat
Conduction
Radiation
What is this the definition of? The energy that comes from a source and travels through space at the speed of light.
Heat
Conduction
Convection
Radiation
What is this definition of? In a fluid (liquid or gas) when hotter, less dense areas rise, and colder more dense areas sink?
Radiation
Conduction
Convection
Heat
Does the Density increase or decrease when the object has a higher temperature and a larger volume?
Increase
Decrease
Stay the same
Does the density increase or decrease when the object has a lower temperature and a smaller volume?
Stays the same
Increases
Decreases
What is this the definition for? The total amount of kinetic and potential energy in a substance.
Potential energy
Temperature
Thermal Energy
Kinetic energy
What is this definition for? The average amount of kinetic energy in a substance.
Kinetic energy
Temperature
Thermal energy
What are the three types of ways heat transfers?
Radiation
Convection
Conduction
It just travels when it wants to.
Hot coffee is stirred with a spoon, the spoon gets hot due to (a)
A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of (a)
A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to (a)
Near the ceiling of a room the air is warmer. The warm air rises because of (a)
A college student holds the back of his hand near an iron to see if it's hot. Heat is transferred to his hand by (a)
A heater is placed under one corner of a water bed mattress. Warm water moves throughout the mattress because of (a)
A certain type of stainless steel cookware has a layer of copper applied to the bottom to help it heat evenly. The copper transfers heat to the pan by (a)
In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of (a)
One end of a copper rod is placed in a flame of a Bunsen burner. Small pieces of wax placed along the rod melt at a progressively larger distance from the flame. Heat is transferred through the rod by (a)
A house burns down. On the house across the street, all of the vinyl sliding is twisted and warped by the heat. The heat was transferred across the street by (a)
No matter is required to transfer thermal energy by (a)
Sea Breeze: Is the air above the water warmer than the air above the sand, or is the air above the sand warmer than the area above the water?
The air under the water
The air is all the same temperature
The air above the water
The air above the sand
In Conduction, the thermal energy doesn't always have to transfer from the higher-temperature object.
True
False
Does the air above the sand have a higher or lower density then the air above the ocean.
Lower density
Higher density
When a substance has a higher temperature do the molecules ove fast or slow.
Fast
Slow
In a lower temperature substance do the molecules move fast or slow?
Fast
Slow
Is this an example of a equalibrium temperature.
Yes
No
What two variables affect a substance's thermal energy?
mass
temperature
volume
density
