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Properties of Object
Matter
Term | Definition |
---|---|
Atom | Smallest unit of matter |
Matter | Anything that has mass and volume |
Examples of matter | Humans, smoke, water, textbook, ladybug |
Examples of non-matter | energy, light, and sound |
Mass | How much matter is in something |
Weight | The pull of gravity on an object |
The difference of mass and weight on Earth and the moon | Mass stays the same, weight decreases on the moon because there is less gravity |
Element | Contains only one type of atom |
Molecule | Two or more atoms are chemically combined |
How can you separate compounds | By breaking the bonds between the atoms |
Do atoms and molecules move? Explain | Yes, they slide in a liquid, they vibrate, in a solid, and they move freely in a gas |
What does it mean if a substance is pure | It only has one type of component |
Write the formula for volume | Length x Width x Height |
Write the formula for density | Mass/Volume |