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Science Test 12/5/12
Unit 1, lesson 3 and Old text Unit E, Chapter 1
| Question | Answer |
|---|---|
| solubility | measures the amount of one material that will dissolve in another material |
| matter | term for anything that takes up space and has mass |
| mass | the amount of matter something contains |
| volume | amount of space that matter takes up |
| solid | matter that has a definite shape and a definite volume |
| liquid | matter that has a definite volume and takes the shape of its container |
| gas | matter that has no definite shape and takes up no definite amount of space |
| solution | a mixture in which one or more kinds of matter are mixed evenly in another kind of matter |
| dissolves | what happens when one material forms a solution with another material |
| buoyancy | ability of matter to float in a liquid or gas |
| density | compares an amount of matter to the amount of space it takes up |
| chemical change | a change that produces new matter with different properties from the original matter |
| physical change | a change that begins and ends with the same type of matter |
| change of state | a change of matter from one state-solid,liquid,or gas- to another |
| evaporation | when a liquid changes into a gas without boiling |
| rust | a solid brown material formed when iron combines chemically with oxygen |
| tarnish | a discoloration of metal by exposure to air |
| Matter is made of small bits called __________. | particles |
| Submarines can sink or float by controlling their _______________. | buoyancy |
| Matter that is _____ ________ than water will float on water. | less dense |
| Adding heat makes particles in matter move _________. | faster |
| A liquid measuring cup measures the _________ of a liquid. | volume |
| A helium balloon is an example of an object that has a ____ in it that has no definite shape or volume. | gas |
| Water in a glass is an example of a _______ that has a definite volume but not a definite shape. | liquid |
| A rock is an example of a ______ that has a definite shape and takes up a definite amount of space. | solid |
| A change of color is a sign of a ________ change. | chemical |
| The three basic states of matter are _____, ______, and ____. | solid, liquid, and gas |
| You can measure mass by using a ____ _______. | pan balance |
| Mass is measured in units called _____ or _________. | grams or kilograms |
| If a white golf ball is heavier than a large foam ball, the golf ball has _____ matter taking up the _______ space and has a _______ density. | more smaller greater |
| A solid object denser than water ______ in water. | sinks |
| A solid object less dense than water ______ in water. | floats |
| Ice is ____ dense than liquid water so it floats. | less |
| A physical change is a change in the ______, _______, or ___________________. | shape, size, or state of a substance |
| After a __________ change, certain __________ of the matter change. However, the matter is still the same substance. | physical properties |
| A ________ change, also known as ________ reaction, begins with one kind of matter and ends with another. | chemical chemical |
| All chemical reactions either give off ______ or use ______. | energy energy |
| Changes in color or smell are | chemical changes |
| ________ is a change of state from a solid to a liquid. | Melting |
| ________ is a rapid change of state from liquid to a gas. | Boiling |
| ___________ is the change of a liquid to a gas without boiling. | Evaporation |
| When you take away energy from a substance, its particles more _____ ________. | more slowly |
| The substance cools and its particles move ______ _________. This is how a gas changes into a liquid, or _________. If enough energy is taken away, a liquid _______ into a _______. | closer together condenses freezes into a solid |
| _____ is water that changed state from a gas to a liquid. | Dew |
| When we cook food, we change the _____, _____, and _______ of food. | color, taste, and texture |
| Cooking and baking cause ________ changes in food. | chemical |
| Gas bubbles are a sign of a _______ change. | chemical |
| melting ice is a ________ change | physical |
| rusting is a ________ change | chemical |
| tarnished silver is a _______ change | chemical |
| boiling water is a ________ change | physical |
| frying a hamburger is a ________ change | chemical |
| cutting a piece of wood is a ________ change | physical |
| burning a piece of wood is a ________ change | chemical |
| grinding wheat into flour is a ________ change | physical |
| grinding sugar crystals into powder is a ________ change | physical |
| Cutting paper into small pieces is a _______ change | physical |
| baking bread in the oven is a ________ change | chemical |
| lighting a match is a ________ change | chemical |
| Be able to explain how the three states of matter are different | Solid- Liquid- Gas- |
| Solid- | Has a definite shape Takes up a definite amount of space Particles move back and forth around a point |
| Liquid- | Takes the shape of its container Takes up a definite amount of space Particles slip and slide past each other |
| Gas- | No definite shape No definite volume Particles move freely and rapidly in all directions |
Created by:
geralin
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