What are the three states of matter?
Solid, liquid and gas.
What are the two general properties of matter?
Mass and volume.
What are four specific properties of matter?
Colour, hardness, transparency and taste.
Matter is everything around us that takes up __________.
space
The mass of an object is the amount of __________ in it.
matter
The __________ of an object is the amount of space it occupies.
volume
The mass of an object is measured in __________ and __________.
grams (g) and kilograms (kg).
The volume of a solid is measured in __________ or __________.
cubic metres (m³) or cubic centimetres (cm³).
The volume of a liquid is measured in __________ or __________.
litres (l) or millilitres (ml).
Density measures how much __________ is concentrated in an object.
mass
If an object has a lower density than water, it __________.
floats
If an object has a __________ density than water, it sinks.
higher
A substance can change state in many ways. When a solid becomes a liquid, it is __________.
melting
A substance can change state in many ways. When a liquid becomes gas, it is called __________.
evaporation
A substance can change state in many ways. When a gas becomes a liquid, it is called __________.
condensation
A substance can change state in many ways. When a liquid becomes a solid, it is called __________.
solidification
