Give an example of a Homogenous mixture.
E.g. oros and water, strawberry milkshake, salt and water.
When any two or more atoms join together (of the same or different elements), a _______ is formed.
Molecule
What is the name of the phase change between a liquid and a solid?
Freezing
What are the three states of matter?
Solids, liquids and gases.
How can we seperate sand and water?
using a filter or fine sieve
Give an example of a Heterogeneous mixture.
E.g. cereal and milk, sand and water, oil and water.
The ________ is the basic building block for all matter in the universe.
atom
What is a mixture?
A mixture is when two or more substances have been combined.
Give any example of a gas.
Helium, oxygen gas, carbon dioxide, water vapour, smoke.
Atoms are extremely small and are made up of a few even smaller particles, known as __________
sub-atomic particles: protons, neutrons and electrons
What happens when you mix sand with water and let it stand?
The sand settles to the bottom of the container and the water clears.