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| Question | Answer |
|---|---|
| What does decompose mean? | It is when chemicals split up. |
| What is a physical change? | It is when no new substances are formed. |
| Physical changes are ____. | Reversible. |
| Give an example of physical changes. | Ice into water. |
| Chemical reactions are _____. | Irreversible. |
| How do you create a squeaky pop? | Hydrogen and a lit splint. |
| What is usually used to power big trucks? | Diesel. |
| What are reactants? | The multiple elements used in a chemical reaction. |
| Rust is an example of _____. | Corrosion. |
| What is dry ice? | It is carbon dioxide as a solid. |
| What process does dry ice skip? | Melting. |
| What color does lime water turn into after shaking it with carbon dioxide. | Milky. |
| Some fireworks displays use ______. | Dentonators. |
| Air is__ oxygen. | 20%. |
| If you put a lit split in an jar of pure oxygen it will____. | Glow. |
| Any metal mixed with oxygen will be called ____. | Oxides. |
| Magnesium + Oxygen ---> | Magnesium oxide. |
| What is the creation from the reactants called? | Product. |
| Name the elements in the fire triangle. | Oxygen,Fuel and Heat. |
| Burning oil will burn more furiously if ___ is added. | Water. |
Created by:
sdavant
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