click below
click below
Normal Size Small Size show me how
Chapter 1- Science
Chemistry
Question | Answer |
---|---|
What is Chemistry? | The study of Matter |
What is Matter? | All the physical things in the universe. |
What is Matter made up of? | It is made up of extremely tiny particles called atoms and molecules. |
What are the three common states of Matter on Earth? | Solids, Liquids, and Gasses. |
What does Heating a Liquid do? | Increases the speed of the molecules inside it. |
Explain how contracting happens differently for a gas (in a flexible container like a balloon or a bubble) than it does for solids and liquids. | Gas molecules and atoms have a very weak attraction to each other and when they are cooled, the pressure on the outside is stronger so its pushing them together. |
Explain why water striders can stay on top of the water. | surface Tension; and they have tiny, waterproof hairs on the bottom of their feet to keep them from getting wet. |