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11 Cards in this Set
- Front
- Back
What is the formula for finding the volume of a regular shape? |
V = lwh or Volume = length times width times height. |
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Find the volume of a box that is 12 cm long, 6 cm wide, and 4 cm high. |
288 cm3 |
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Name the three most common states of matter. Give an example of each. |
Solid – table, Liquid – water, Gas - oxygen |
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Describe the movement of molecules in each state of matter. |
Solid – vibrate or shake in place Liquid – can move around and slide passed each other
Gas – can move about very freely |
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What is an atom? |
The smallest, or most basic, unit of matter |
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What is an element? |
Contains only one type of atom |
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What is a compound? Give at least one example. |
consists of two or more types of atoms bonded together. Example – salt |
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What is a mixture? Give at least one example. |
a combination of different things that stay the same individual thing when mixed and can be separated physically. Example: fruit salad |
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Name 3 ways to separate a mixture. |
Magnets, evaporation, filtering |
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What are physical changes? Give two examples |
A change in any physical property of a substance, not the substance itself. Examples: shaping a piece of clay, or painting a house |
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What are chemical changes? Give two examples |
A change of one substance into another. Examples: burning wood or iron rusting |