Energy
This is the scientific word for "the ability to do work" or cause change.
What is energy?
This is a material, like copper wire, that allows electricity to flow through it easily.
What is a conductor?
This type of energy is the type that batteries use to generate electricity.
What is chemical energy?
This form of energy comes from the sun and helps plants grow.
What is solar energy?
Electricity will only flow if it has a complete, unbroken loop called a _____ circuit.
What is a closed circuit?
This object converts light energy into chemical energy and also produces oxygen that we breathe.
What are plants?
As a rollercoaster zooms down a big hill, its potential energy turns into this.
What is kinetic energy?
This part of a circuit can be flipped to "open" or "close" the path of electricity.
What is an on/off switch?
True or false?
In the experiment we did, the energy was converted from chemical energy to light energy, to solar energy, to light energy.
What is true?
Rubbing your hands together quickly turns mechanical energy into this type of "warm" energy.
What is thermal energy?
These materials, like rubber or plastic, are used to cover wires because electricity cannot flow through them.
What are insulators?
True or false?
Energy can easily be destroyed in nuclear power plants.
What is false?
To calculate velocity, you need to know an object's speed and its __________.
What is direction?
In this type of circuit, there is only one path for electricity; if one bulb goes out, they all go out.
What is a series circuit?
This type of energy is what your fridge uses.
What is magnetic energy?