Energy
What is energy?
The ability to do work
What kind of energy is energy in motion?
kinetic energy
How does a chemical reaction differ from a physical reaction?
In a chemical reaction the substances (reactants) change into different chemical substances (products).
What is a lodestone?
A magnetic substance or a magnet.
What does the term thermal mean?
It pertains to heat.
What law states that energy is preserved.
the law of conservation of energy
What is another name for Newton's first law of motion?
Inertia
What are 2 characteristics of a base?
A base tastes bitter and is chalky and slippery.
What force surrounds a magnet?
A magnetic field.
What is thermal equilibrium?
Two objects that don't transfer any heat to each other.
Which kind of energy is used when we digest food?
Chemical energy
What is another name for Newton's second law?
Acceleration
Name an acid.
Vinegar, lemon juice, battery acid, sulfuric acid, ets.
How can you make a magnet out of a steel nail?
By rubbing it in one direction with a strong magnet.
Define entropy.
Everything breaks down or goes to a state of disorder.
Light is a form of energy on what spectrum
The electromagnetic spectrum
Newton's third law has to do with what?
Every action has a reaction.
What is neutralization?
Adding an acid to a base.
What is the magnetosphere?
The magnetic field that surrounds the earth.
When you're warming yourself by a fire, which is the heat source and which is the heat sink?
You are the heat sink, the fire is the heat source.
Energy from the sun is what kind of energy?
Solar
What is a simple machine?
Any device that helps you do work , (by changing the amount of force needed)
What is the bad news about plastic?
It takes forever for plastic to break down.
What is another name for the aurora borealis?
Northern lights, cause by solar winds cause particles in the upper atmosphere to become electrified and turn colors.
What is the opposite of a heat conductor?
An insulator.