Miscellaneous
Is plastic a conductor or insulator?
insulator
When you plug a vacuum into an outlet, you can vacuum up a mess. What form of energy supplied the power to turn on the vacuum.
What is electrical energy
Define conductor
An object or material that allows energy to flow through it
Imagine you are holding a basketball in your hand. How could you model a change caused by applying energy to the ball?
bounce the ball or throw it at the hoop
A lamp is plugged into an electrical outlet and the light bulb is lit. What types of energy does a light bulb produce or release?
light and thermal (heat)
Sounds energy is caused by _____________
vibrations
What happens when two positively charged objects, like balloons, are placed next to each other?
They will repel (move away) from each other when they are close to each other and if they touch each other.
You can power a light bulb by using a battery in a closed circuit. How does energy flow through a circuit?
Electrical energy from the battery is changed or transfers into light and heat
Which of these objects is a conductor and allows energy to flow through it: glass, plastic, rubber, or aluminum?
aluminum
How does energy transfer from hot cocoa to a metal spoon that is placed in it?
Heat (thermal) energy transfers from the hot cocoa to the metal spoon.
If you put a pot of water on the stove and turn the stove on the temperature of the water will increase and the water will eventually boil. Why is the water temperature increasing?
Heat energy from the stove is being transferred to the water.
If your hand has a positive charge, you touch a metal door handle, and get shocked what is the charge of the metal door handle?
negative