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12 Cards in this Set
- Front
- Back
What is matter? |
Matter is anything that takes up space. |
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What are the three major states of matter? |
Solid- Definite shape and volume Liquid- Shape fits its container, definite volume Gas- Indefinite shape and volume |
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List qualitative observations that could be made about a sample of matter. |
Colour, state, lustre, malleability, odour, texture etc. |
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List quantitative observations that could be made about a sample of matter. |
Temperature, density, mass, melting/burning point, etc. |
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What is the difference between physical and chemical properties? |
-A physical property can be observed without changing the substance into something new. |
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List the 5 major clues that a chemical change is occuring. |
Bubbles form or a new odour |
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What are the gases in the gas test? |
Oxygen, Hydrogen, Carbon Dioxide |
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Describe the gas tests. |
Hydrogen Test: Flaming splint into test tube, positive for H2 if a “pop” is heard. |
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What are the kinds of variables in a scientific experiment? |
Control Variable- The variable that is kept constant throughout the experiment Independent Variable- The variable purposely changed by the experimenter. Dependent Variable- The variable that may change in response to the independent variable. |
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Describe the particle theory of matter. |
1. All matter is made of tiny particles. 2. All particles of one substance are the same. Different substances are made of different particles. 3. The space between the particles are large in comparison to the sizes of the particles themselves. 4. The particles are always moving. The more energy that particles have, the faster they move. 5. There are attracting forces among particles. |
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Physical Property
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A physical property is one that the substance has all on its own
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Chemical Property
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A chemical property is one which describes how a substance can undergo changes to become one or more new substance.
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