Term
what do you use to measure mass?
what do you use to measure volume?
what do you use to measure density? |
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Definition
grams (g)
milliliters (mL) or cubic centimeters (cm3)
grams per cubic centimeter or milliliter (g/cm3 or g/mL) |
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Term
| During a phase change, what happens to the molecules in a substance? |
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Definition
| During a phase change the molecules either slow down from gas to liquid to solid or speed up from solid to liquid to gas. |
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Term
| If three objects and three liquids are layered in a cylinder, how will they stack? |
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Definition
| They will stack greater density on the bottom to smaller density on the top. |
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Term
| How could you find the mass of water? |
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Definition
| You measure the graduated cylinder then you measure the graduated cylinder with water inside it then you subtract the measurements. |
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Term
| Why might the mass of water in an open container change over the course of a week? |
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Definition
| Because when water is heated it evaporates and turns into gas. |
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Term
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Definition
| Weight is the measure of the force of gravity. |
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Term
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Definition
| Everything except energy. |
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Term
| What will increasing the temperature do to a substance's volume? What is this called? |
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Definition
| The volume will increase and this called thermal expansion. |
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Term
| What will decreasing the temperature do to a substance's volume? What is this called? |
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Definition
| the volume will decrease and this is called contraction. |
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Term
| What will decreasing the volume do to a substance's density? |
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Definition
| the density will increase. |
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Term
| What will increasing the volume do to a substance's density |
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Definition
| The density will decrease. |
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Term
| What is a characteristic property? |
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Definition
| It is a trait that identifies a substance and is not effected by the size or amount of object. |
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Term
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Definition
| A solid is any object with definet volume and definet shape. |
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Term
| How does a solid's molecules behave? |
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Definition
| They are close together and vibrate. |
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Term
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Definition
| A liquid has no definet shape but has a definet volume |
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Term
| How does a liquid's molecules behave? |
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Definition
| The molecules move moderately and medium spacing |
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Term
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Definition
| A gas has no definet volume or shape. |
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Term
| How does a gas' molecules behave? |
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Definition
| They move very quickly and are more spaced out. |
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Term
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Definition
| anything that has mass and volume. |
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Term
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Definition
| How much space an object takes up. |
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Term
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Definition
| How much heat something has. |
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Term
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Definition
| When water is heated and turned into a gas at the boiling point. (vaporization) |
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Term
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Definition
| When a liquid changes into a gas ONLY AT THE SURFACE. |
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Term
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Definition
| The change in a state from liquid to solid. |
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Term
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Definition
| the change in state from solid to liquid. |
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Term
| What is Latent Heat of Fusion? |
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Definition
| The amount of heat a object takes from a solid to a liquid. |
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Term
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Definition
| When the pressure of a gas increases, the volume of gas decreases. When the pressure is decreased, the volume increases. |
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Term
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Definition
| When the temperature of a gas increases, its volume increases. When the temperature decreases, its volume decreases. |
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Term
| Characteristic properties stay the same for all materials (regardless of how much you have of the material). What are some characteristic properties of water? |
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Definition
| The density of water is 1.00g/mL. It has a boiling point of 100 degrees celsius and a melting point of 0 degrees celsius. When it is heating it plateaus at 0 degrees celsius and 100 degrees celsius. |
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