Most materials are a mixture of different __. (solids/liquids/objects/substances)
Most materials are a mixture of different substances..
Matter is anything that has mass and takes up __. (mixtures/substances/space/air)
Matter is anything that has mass and takes up space.
Objects can be made of different types of __. (heart/materials/air/gases)
Objects can be made of different types of materials.
Salt is a ___ substance. (solid/liquid/gas)
Salt is a solid substance.
Pure water is a ___ substance. (solid/liquid/gas)
Pure water is a liquid substance.
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.
All matter is made up of __. (space/volume/particles)
All matter is made up of particles.
Most particles are much too __ for us to see. (small/big/liquid)
Most particles are much too small for us to see.
Matter is __ around us. (everything/some things/nothing)
Matter is everything around us.
Sand and pure water are similar because they are both made of __. (substances/particles/glass)
Sand and pure water are similar because they are both made of particles..
Because most particles are very small, scientists use a __ to explain them. (magnifier/mirror/model)
Because most particles are very small, scientists use a model to explain them.
Is this a model of a solid, liquid or gas?
A liquid.
Is this a model of a solid, liquid or gas?
A solid.
Is this a model of a solid, liquid or gas?
A gas.
