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Matter
science
| Question | Answer |
|---|---|
| matter | anything that occupies space and that we can see, smell, taste, hear or touch. |
| atom | the basic component of matter |
| molecule | when two or more atoms are connected together |
| mass | the amount of matter in an object |
| properties | the unique characteristics of matter |
| chemist | a scientist who studies the properties of matter |
| measurement system | when a group of people agree to measure things using a collection of specific standards |
| metric system | the measurement system that uses the meter as the stand of length |
| conservation of matter | means that matter can change form, but it cannot be created or destroyed |
| cycle of matter | the process in which matter changes and goes back to its original form |
| state of matter | the physical property that defines how molecules are arranged |
| solid | matter whose molecules are packed close together and can barely move |
| liquid | matter whose molecules move fast enough to have some freedom |
| gas | matter whose molecules fly away from one another in random directions |
| sublimation | when solid becomes a gas |
| deposition | when gas becomes a solid |
| pure substance | when matter contains only one kind of substance |
| mixture | any combination of substances that can be separated |
| solution | a mixture that acts like a pure substance |
| chemical reaction | when atoms in molecules are rearranged to make new molecules |
| substance | matter with atoms that makes it different from other kinds of matter |
| What do chemists study? | what objects are made of, how material changes, and how matter interacts with other kinds of matter |
| Why is it important to use a standard measurement system? | to get the right measurement |
| What does the law of the conservation of matter mean? | God created certain laws that define how matter is to behave. |
| What is an example of a cycle of matter? | water cycle |
| A state of matter is the physical property that defines how _________ are arranged in the matter. | molecules |
| What have a definite shape and a definite volume? | solids |
| What type of matter has molecules that are packed close together and can barely move? | solids |
| A ______ is matter whose molecules move fast enough to have some freedom but cannot be confined to a certain position. | liquid |
| Liquids have a definite _______. | volume |
| Liquids ______ changes to fit the container they are in. | shape |
| What is the matter whose molecules move so fast that they fly away from one another? | gas |
| What has no definite shape or volume? | gases |
| A solid becomes a liquid. | melting |
| A liquid becomes a solid. | freezing |
| A liquid becomes a gas. | evaporation |
| A gas becomes a liquid. | condensation |
| A solid becomes a gas. | sublimation |
| A gas becomes a solid. | deposition |
| What are two examples of chemical reactions? | campfire and food |
| Everything is made of _______. | matter |
Created by:
jennparker
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