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Science test 2
Properties and changes of matter
| Question | Answer |
|---|---|
| What is the definition of matter? | anything that has mass and takes up space |
| What is the definition of melting point? | the temperature at which a solid melts to become a liquid |
| What is the definition of product? | the new substances produced in a chemical reaction |
| The mass of the products of a chemical reaction ______ the mass of the reactants. | is the same as |
| Is mass a physical or chemical property? | physical property |
| Where is plasma found? | in lighting |
| What type of particles move fast and far apart? What type of particles move fast and far apart? | a gas |
| What type of particles move slow and are packed together tightly? | a solid |
| Is baking soda reacting with acid to form salt a physical or chemical property? | physical property |
| Is an ice cube melting an example of a physical or chemical change | physical change |
| A substance chemically becomes different in a _____ change. | chemical change |
| Titanium reacts less with oxygen than most metals do. Is this a physical or chemical property? | chemical property |
| Flammable would be a warning referring to a _______ property of a material. | chemical |
| Describing the color of magnesium would be a _______ property? | physical |
| The ability of a substance to combine with or change into another substance is a ______ property. | chemical |
| Rust forming is an example of a ______ change. | chemical |
| What are the signs that indicate a chemical change is occurring when you mix baking soda and vinegar? | the formation of bubbles |
| In this state atoms slide past each other so doing a line dance would also be an example of this state of matter? | liquid |
| Flammability is an example of a ______ property. | chemical |
| A cake baking is an example of a _______ change. | chemical |
| As temperature increases do the particles move slower or faster? | faster |
| Explain the movement of particles when condensation occurs. | The particles in a material become closer. |
| If a scientist had a solid block sample and a powder sample and he/she put it into a beaker of water which one would cause a reaction at a faster rate? | the powder sample |
Created by:
Makenzie Nicole
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