Show:
Forces and Motion
Electricity
Magnetism
Physical Properties
Chemical Properties
100
The unit that measures force.
What is a Newton (N)?
100
Like charge...
What is repel?
100
The material that all magnets attract.
What is iron?
100
Solid, liquid, gas and plasma.
What is are the four states of matter?
100
All matter and molecules are made of...
What are atoms?
200
The rate at which a work is done.
What is (mechanical) power?
200
When electricity only flows along one pathway.
What is a simple series circuit?
200
The push or pull two magnets experience when they are near each other.
What is magnetic force?
200
Liquids and gases.
What are fluids?
200
It is made out of two atoms of hydrogen and one of oxygen.
What is a water molecule?
300
The Joule (J).
What is the unit of mechanical work?
300
A way of rearranging the charges within an object without touching it.
What is induction?
300
The space around the magnet where its force can be found.
What is magnetic field?
300
A change in a substance that doesn't alter its chemical composition.
What is a physical change?
300
The number of either protons or electrons in an atom.
What is the atomic number?
400
The value is 9.8 m/s2.
What is the acceleration of Earth's gravity?
400
One in which electricity has more than one pathway to travel.
What is a parallel circuit?
400
The Earth, because it has a North and a South pole.
What is an example of a (giant) magnet?
400
Color, boiling point, density, elasticity, electric charge, frequency, pressure, melting point, volume, temperature, etc.
What is are examples of physical properties?
400
The process by which atoms are rearranged to form products with properties that differ from those of the reactants.
What is a chemical reaction?
500
When only the force of gravity is accelerating an object.
What is free fall?
500
It controls the flow of electric current in a circuit.
What is a switch?
500
A magnet created by wrapping a current-carrying wire around a ferromagnetic core.
What is an electromagnet?
500
The change from a solid state to a gas one.
What is sublimation?
500
The product of the chemical reaction between oxygen in water and iron.
What is rust?