The path along which electric current moves is an _________.
What is electric circuit?
100
A material through which energy flows easily is a _________.
What is a conductor?
100
The flow of electric charges is an __________.
What is electric current?
100
A material through which energy cannot flow easily is an ____________.
What is an insulator?
200
A thin line of light is a ___________.
What is a ray?
200
A metal that becomes a magnet when electricity passes through wire wrapped around it is an ___________.
What is an electromagnet?
200
To _________ is to bounce off an object.
What is reflect?
200
The _________ of a place or object is a measure of how hot it is.
What is temperature?
200
This tool is used to measure temperature.
What is a thermometer?
300
A piece of material that bends light rays that pass through it is a ___________.
What is a lens?
300
A material that is burned to produce useful heat is a ___________.
What is fuel?
300
A material through which energy cannot flow easily is an __________.
What is an Insulator?
300
The ability to do work is _________.
What is Energy?
300
A material through which energy flows easily is a ___________.
What is a Conductor?
400
The path along which electric current moves is an __________.
What is Electric Circuit?
400
The flow of electric charges is an __________.
What is Electric Current?
400
Energy that can change into a form that can do work is ________.
What is Stored Energy?
400
Tiny amounts of electricity present in all matter are ________.
What is Electric Charges?
400
The energy that moving objects have is __________.
What is Energy of Motion?
500
How are conductors different than insulators?
Energy flows easily through Conductors but cannot flow easily through Insulators.
500
How is the path of light hitting a mirror different from the path of light through a lens?
When hitting a mirror, light is reflected.
When passing through a lens, a light ray bends.
500
How does electric current move through a turned-on flashlight?
It moves in a complete circuit (circle) from the batteries to the bulb, and through a wire back to the batteries.
Current can only move when the circuit is complete (when it makes a circle).
500
Give me two examples of lenses.
Camera lens, Glasses, Binoculars, Telescope, our eyes
500
Miss Briss gave you two challenges during this chapter that you were supposed to try at home. What were they?
1. Find out what happens to your shadow when you move your hands closer/farther away from the light.
2. Peel two blankets apart in the dark and see if you can see the tiny electric charges.