Explore everyday household liquids and discuss why they may be classified as acids or bases. What is the pH scale and how does it help us to categorize the toxicity of liquids? Are body fluids also acids and bases?

Explore everyday household liquids and discuss why they may be classified as acids or bases. What is the pH scale and how does it help us to categorize the toxicity of liquids? Are body fluids also acids and bases?

Describe the three common states of matter and how they are related to temperature and pressure as forces on Earth.

Describe the three common states of matter and how they are related to temperature and pressure as forces on Earth. On other planets there may be different forces that could alter the states of common items. e.g. could you find Iron as a gas in some planet? How could that happen if at all? Could you find solid oxygen in a planet? Is that possible, and if so, why?