| Physical Changes | Chemical changes | Mixtures | Compounds | Solutions |
|---|---|---|---|---|
|
What is volume?
The space taken up by an object.
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What is the nucleus?
This is the heaviest part of an atom.
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What is it must have been a cloudy day?
There was a puddle on the ground in the morning and it is still there.
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What is first use a magnet to separate iron filings, then different sized screens to separate the rest.
The best way to separate iron filings, sand, gravel, and pebbles.
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What is they keep their own chemical properties?
We know this about components that make up a mixture.
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What is a colloid?
Something that does not separate easily, such as mayonnaise, marshmallows or foam.
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What is a microscope?
This is used to view particles of a liquid to small to be seen with the naked eye.
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What is it was sunny and the puddle evaporated?
There was a puddle on the ground and now it is gone.
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What is the freezing point?
The fixed temperature at which a liquid changes to a solid. For water it is 0 degrees -C, 32 degrees F
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What are the products?
The chemicals on the right side of the chemical equation.
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What is because weight changes because of gravity?
This is used to measure and record mass of objects rather than their weight.
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What is they have the same amount of matter?
This is what you know if two objects balance on a scale?
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What are colloids?
Mayonnaise,, smoke, jelly
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What is the solvent?
The larger quantity in a solution.
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What are solutions?
Salt water, cranberry juice
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What is a suspension?
Something that will eventually separate.
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What is the solute will dissolve more quickly?
If you increase the temperature in a liquid, this will happen to the solute?
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How is a gas different from a solid?
Gas expands to fill a container, a solid does not.
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What is the solute?
The part of a solution that is dissolved.
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What are compounds?
These are formed from a combination of two or more elements.
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What is water displacement with a graduated cylinder?
This is how we measure volume in Science.
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What is frost on the ground?
An example of a change from a vapor to a solid.
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What is when sugar is put in hot liquid?
Sugar will dissolve the fastest.
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What are physical forces?
Mixtures are made up of substances held together by these forces.
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What is distillation?
This is the process for separating two liquids with different boiling points.
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