Question: Matter

Answer: Matter is anything that has mass and takes up space (has volume)

Atoms are the simplest form of matter.

Question: Mixture

Answer: When two or more compounds or elements are blended together without combining chemically it becomes a mixture.

Question: Pure substance

Answer:

Question: Homogeneous mixture

Answer: Salt crystals - but that are dissolved in water.

Question: Heterogeneous mixture

Answer: We can see all the parts of the mixture, it is not uniform. For example Salad dressing, because it’s parts do not combine completely. You can still see clumps of herbs and oil.