Show:
States of Matter
Physical & Chemical Changes
Heat
Transfer of Heat
Electricity
100
How many states of matter are there?
What is 3?
100
What do you call a change in matter in which only the appearance is changed?
What is a physical change?
100
What is a form of energy that moves between objects?
What is heat?
100
What is the total amount of energy in matter called?
What is thermal energy?
100
What do you call a path that an electric current follows?
What is a circuit?
200
What are the three states of matter?
What are solid, liquid, and gas?
200
What do you call the type of change in which a new substance is formed?
What is a chemical change?
200
What are the tiny things that make up all matter?
What are molecules?
200
Which has more energy? a) Water in a pool b) steaming water in a teapot
What is water in a pool?
200
For any electrical machine to work, the circuit must be a)opened b)closed
What is closed?
300
What is the state of matter that has the most movement of molecules?
What is a gas?
300
Paper being burned is an example of what type of change?
What is a chemical change?
300
What do you call the measurement of how hot or cold something is?
What is temperature?
300
Heat travels by ____________ through materials that are touching.
What is conduction?
300
The flow of electric charges along a path is called _______________ _________________.
What is electric current?
400
When you add heat to a solid you get this...
What is a liquid?
400
A popsicle melting is an example of what type of change?
What is a physical change?
400
What do you call a material that heat moves through easily?
What is a conductor?
400
The movement of heat in liquids and gases is called ________________.
What is convection?
400
A circuit that only has one path for the current to follow is called a ______________ ______________.
What is a series circuit?
500
The state of matter of an object depends on what?
What is the speed of its molecules?
500
What happens to the weight of an object when you change its physical appearance?
What is "it stays the same"?
500
What do you call the material that does not allow heat to move through it easily?
What is an insulator?
500
The movement of heat without water to carry it is called _______________________.
What is radiation?
500
The circuit that has more than one path for a current to follow is called a ______________ ________________.
What is a parallel circuit?