All matter is made up of __. (space/volume/particles)
All matter is made up of particles.
Objects can be made of different types of __. (heart/materials/air/gases)
Objects can be made of different types of materials.
Is this a model of a solid, liquid or gas?
A gas.
Is this a model of a solid, liquid or gas?
A liquid.
Is this a model of a solid, liquid or gas?
A solid.
Pure water is a ___ substance. (solid/liquid/gas)
Pure water is a liquid substance.
Salt is a ___ substance. (solid/liquid/gas)
Salt is a solid substance.
Most particles are much too __ for us to see. (small/big/liquid)
Most particles are much too small for us to see.
Oxygen is a __ that is a gas. (solid/substance/mixture)
Oxygen is a substance that is a gas.
Plastic, wood, rubber and glass are also different __. (heart/materials/air/gases)
Plastic, wood, rubber and glass are also different materials.