6th grade materials and their properties

Example

Which word describes this: the clear mixture made when sugar dissolves in water?

1. A solution is the mixture of solute and solvent.
2. So the answer is: solution

Answer: solution

Example

Which technique is best to separate copper sulfate crystals from its solution?

1. Evaporating the solvent leaves a dissolved solid behind as crystals.
2. So the answer is: evaporation or crystallisation

Answer: evaporation or crystallisation

Example

Is this property typical of metals or non-metals: a gas at room temperature, like oxygen?

1. Non-metals are usually dull, brittle when solid and poor conductors; many are gases.
2. So the answer is: typical of non-metals

Answer: typical of non-metals