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Sience Matter
Term | Definition |
---|---|
Atom | smallest unit of matter |
Matter | anything that has mass and volume |
Examples of matter. | humans, smoke, textbook, water, lady bug |
Mass | how much matter is in something |
Non-Examples of matter. | Energy-light and sound |
Whight | the pull of gravity on an object |
Explain the difference of mass and weight on Earth and the Moon. | mass stays the same on the moon and Earth beacuse matter will alweys stays the same. whight on the moon is lighter becuse threr is not as strong of a gravitaional pull on the moon. |
Element | contains only one type of atom |
Molecule | two or more atoms chemically combined |
How can you seperate componds? | by breaking the bond between atoms |
Do atoms and molecules move? | Yes, in a solid they vibrate and are stuck together and a liquid romes a little more freely and have room to rub aginst each other and in a gas they fly super fast every where |
What does it mean if a substance is pure? | it only has one type of componite |
Give two exaples of molecules. | h2o and co2 |
What is the formula for volume? | LxWxH |
What is the formula for density? | mass/volume |
What is the lable for LxWxH. | cm3 |