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Unit 3 Science Review
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What is the function of a cell's nucleus?
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No matter what kind of change (physical or chemical), the total weight of the substances is _____________.
conserved
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A plant is a producer because it makes it's own food through _______________.
photosynthesis
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Mixture or Solution? Has a solute and solvent
Solution
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What is an example of a chemical reaction?
Answers will vary
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Water can exist in what forms?
Solid, Liquid, & Gas
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What are 3 of the 7 characteristics of all living things?
Answers will vary
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True or False: Atoms can be seen without a microscope
False
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True or False: Atoms are in solids, liquids and gases
TRUE
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What is an example of a mixture?
Answers will vary
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Name one difference between a plant and animal cell.
Answers will vary
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Matter takes up ______________ and has _________
Space/mass
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Which gas do plants take IN during photosynthesis?
Carbon Dioxide
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What is the function of the Golgi Body?
Packages and delivers proteins to the cell
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Why do plant cells need Chloroplast?
To create energy through photosynthesis
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What is one physical change that is caused by cooling?
Freezing or Deposition
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Mixture or Solution? Has a solute and solvent
Solution
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True or False: When a material changes from one state to another, the amount of material increases.
False- it stays the same
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What are 3 properties of matter?
color, texture, magnetic forces, solubility, particle size, shape
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Mixture or Solution? two or more materials that are mixed and do not form a new material
Mixture
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What is an example of a solution?
Answers will vary
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What is Ms. Clewer's favorite food?
Nachos, Tacos, or sushi!
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Why does a plant cell have a cell wall and a cell membrane?
Answers will vary
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What is one physical change that is caused by heating?
Melting, Sublimation, or Evaporating
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