True/False
Can matches have thermal energy
Matches can be a source of thermal energy. When you strike a match, it creates a flame, which includes light and heat.
Is a dog a source of thermal energy ?
As living things metabolize, they give off thermal energy as heat.
What is Energy?
Energy is defined as the ability to do work or cause change. Work is the movement of mass when a force is applied to it.
1. Which of the following is not a source of thermal energy?
Friction
Heat source
Mitten
Chemical reaction
3. Mitten
3 Ways to measure temperature
1. Celsius
2. Kelvin
3. Fahrenheit
Does a thermometer have thermal energy
A thermometer is not a source of thermal energy, but can measure thermal energy.
Is a wood a source of thermal energy?
When wood is burned it can be source of thermal energy.
What is a System?
A system is a collection of objects organized into a whole. For example, you can think of the solar system as a system.
How do you find thermal Energy?
Calculating the TOTAL amount of joules
Thermal energy is the ____ of the molecules in a material.
Temperature
Total energy
Average kinetic energy
Potential energy
3. Average Kinetic energy
Does a hot air balloon have thermal energy
There is a heater that is a source of thermal energy in the hot air balloon that heats up the air inside the balloon and causes it to rise.
Is food a source of thermal energy?
Food is eaten and then when it is metabolized, thermal energy is released.
What Is Thermal Energy?
Thermal energy is energy possessed by an object or system due to the movement of particles within the object or the system. T
How do you find the temperature of something without using a thermometer?
Calculating the average of joules
Fill in the blank: We can measure the average kinetic energy the atoms and molecules of a substance by measuring the ___________________________ of the object.
Temperature
Does lighting have thermal energy?
Lightning is electrical energy. A lightning bolt has both light and thermal energy.
Is a tree a source of thermal energy?
This tree is a living thing. Living things all have thermal energy and produce this through metabolism. When you burn the wood from a tree it is a source of thermal energy.
What is Thermal Energy Transfer
We use heat to describe the transfer of thermal energy from one object or system to another. Thermal energy is the energy within the object.
True or False: If a system has a higher temperature, it does have more thermal energy
False
4. Which of the following would contain molecules with the greatest average kinetic energy?
Water vapor from your breath on a freezing night
A snowball held in your gloved hand
Ice on a pond
A cup of hot chocolate
4. A cup of hot chocolate
Does a laser pointer have thermal energy?
A laser pointer is a source of light energy, but not thermal energy.
Is a baseball a source of thermal energy ?
When a baseball is hit by a baseball bat, energy is transferred, and thermal energy is generated.
What are the two categories of energy ? and Define them
There are two categories of energy: potential and kinetic energy.
True or False: The amount of matter in the system affects thermal energy.
True
Fill in the blank: The kinetic energy of atoms and molecules will ________________________ as a substance warms up and ________________________ as the substance cools down.
increase; Decrease