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Properties of Matter
Question | Answer |
---|---|
What are atoms | Smallest unit of matter |
What is matter | anything that has mass and volume |
Examples of matter | Humans, smoke, textbook, water, ladybug |
Examples of non-matter | Energy - light and sound |
Whats weight | The pull of gravity on a object |
Explain the difference of mass and weight on Earth and the moon | Gravity can change like from Earth and the moon, but matter stays the same |
Describe element | Contains one type of atom |
Describe a molecule | Two or more atoms chemically combined |
How can you separate compounds | By breaking bounds between atoms |
Do atoms and molecules move | All atoms and molecules move. They vibrate in a solid. They slide in a liquid. They move freely in a gas. |
What does it mean if a substance is pure | It only has on type of component. |
Formula for water | Oxygen/ 2 Hydrogen |
Formula for Carbon Dioxide | 2 Oxygen/ Carbon |
Formula for volume | Length x width x hieght |
Write the formula for density | Mass/Volume |