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PVES Week 2
Matter
| Question | Answer |
|---|---|
| What are the three states of matter? | solid, liquid, and gas |
| If a substance exists as a solid, liquid, or gas, and it has volume and mass, we know that it is_______. | Matter |
| Every element is made up of only one kind of_______ | atom |
| All elements on earth are listed in the___________ table. | periodic |
| There are over 100 ____________ known to exist on earth. | elements |
| Elements combine chemically to form ___________. | compound |
| The study of materials at their molecular stage is ________. | nanotechnolodgu |
| When tomatoes ripen, their color changes. This is an example of a ________ change. | chemical |
| When different types of solids combine (a bowl filled with different types of candy), they forma a_____________ | mixture |
| When one substance dissolves into a liquid substance (salt in warm water), they form a- | solution |
| Changes that occur in mixtures and solutions are _________changes. | physical |
| Rust is formed when iron combines with oxygen over a period of time. This is an example of a ____________. | compound |
| Water can be written: H2O. This is called a chemical___________. | formula |
| Atoms that join together with other atoms form__________. | molecules |
| The smallest part of a compound is a ____________. | molecule |
| If two of the same sized containers hold two different items, such as cotton balls and sand, we say that_________ | The volume is the SAME, but the mass, or weight is DIFFERENT |
| A substance that cannot be changed into a simpler substance is a(n)__ | element |
| Which state of matter has definite shape and volume? | solid |
| Which state of matter has definite volume and assumes the shape of its container? | liquid |
| Which state of matter assumes the shae of its container, but has no definite shape or volume? | gas |
| Which state of matter is NOT compressible or does not allow molecules to move because they are packed tightly together | solid |
| Which state of matter has molecules that are close, but move freely past one another? | liquid |
| Which state of matter is compressible or allows molecules to move quickly and freely past one another? | gas |
| All matter is made up of _________and ____________. | atoms and molecules |
| ____________is the amount of matter in an object. | mass |
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pves
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