What is matter?
Anything with mass and volume
What is mass?
The amount of matter in an object
The amount of space an object occupies is called?
Volume
What are the three states of matter?
Solid, liquid, gas
T or F: solids have a fixed shape and volume
True
Tell the definition of gas.
Does not have a fixed shape or volume. They fill all the space around them
T or F. Liquids have a fixed shape but have a fixed volume
False. Liquides don’t have a fixed shape but have a fixed volume
Name three solids
Desk, rock, steel ball, door, etc.
Oil has more / less density than alcohol
More
Oil is more / less dense than water
Less
Name four different types of materials
Plastic, wood, glass, fibres.
What is density?
The amount of mass of an object in a unit of volume
A physical characteristic of a material is called?
Property
What is buoyancy
The ability of an object to float in liquids and gases
