Units
Atoms and Elements
Particle Theory
Chemical Reactions
Forces
100
The unit to measure temperature
What are degrees Celsius?
100
These chemicals are listed in the periodic table
What are elements?
100
Theprocess of a liquid turning to a gas
What is boiling?
100
The chemical link that holds atoms together
What is a bond?
100
The unit used to measure force
What is a newton?
200
The unit to measure distance
What is a metre?
200
The class of materials that include the elements magnesium, aluminium, gold and silver.
What are metals?
200
The process of a gas changing to a liquid
What is condensing?
200
In this process atoms are re-arranged
What is a chemical reaction?
200
The rubbing force that acts on a car tyre and slows it down when it is moving.
What is friction?
300
The unit to measure time
What are m/s?
300
The charge of an electron
What is negative?
300
They have a fixed shape and cannot flow. They cannot be compressed or squashed
What is a solid?
300
In a chemical reaction, the substances that react with one another are called .....
What are reactants?
300
The force acting on my pen when I drop it on the floor
What is gravity?
400
The unit to measure speed
What are m/s?
400
The subatomic particles that lives outside of the nucleus of an atom?
What is an electron?
400
They flow and take the shape of the container. They can be compressed.
What is a gas?
400
In a chemical reaction, the substances that are formed from the reaction are called ....
What is a product?
400
The force described by the equation mass x gravity acceleration
What is weight?
500
The unit to measure density
What is kg/m3?
500
This is the smallest unit of a substance made up of protons, neutrons and electrons.
What is an atom?
500
The particles are arranged close together but move around each other
What is a liquid
500
A substance that changes the speed of a chemical reaction
What is a catalyst?
500
The term for the force that makes a boat float
What is buoyancy?
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