Matter and How It Changes
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Plastics, medicines, and food products are some things made by __.
a. physical changes b. chemical changes c. evaporation - b. chemical changes
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What chemical change will occur when a metal toy is left in the rain?
a. shrink b. rust
c. float d. fade - b. rust
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When liquid turns into a gas, it __.
a. condenses b. melts
c. evaporates d. boils - c. evaporates
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The states of matter are solid, liquid, and __.
a. ice b. bubbles
c. gas d. water - c. gas
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When bread is made, the chemical change forms a gas that causes the batter to spread out (expand).
TRUE or FALSE - TRUE
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Something that your senses tell you about an object is a __.
a. mass b. property
c. meter d. length - b. property
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Which is NOT a chemical change?
a. melting ice b. burning wood c. exploding fireworks - a. melting ice
- A ___ is a change that causes one kind of matter to become a different kind of matter.
- chemical change
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Materials that have gone through a chemical change can easily change back to the first kind of matter.
TRUE or FALSE - False. Materials that have gone through a chemical change usually cannot be changed back to their original form.
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A firework explosion is a physical change.
TRUE or FALSE - FALSE. Firework explosions are chemical changes caused by heating the fireworks. One they have exploded they cannot return to their original state.
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Rusting is a chemical change.
TRUE or FALSE - TRUE
- A ___ is a change in the way matter looks, but the kind of matter remains the same.
- Physical Change
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Bread changes to different forms of matter in your body.
TRUE or FALSE - TRUE. After you eat bread, which is a solid, it breaks down into liquids and gases in your body.
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An apple's skin helps protect it from chemical changes.
TRUE or FALSE - TRUE. The skin of the apple protects the meat of the apple from oxygen in the air.
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Wood turning to ash in a fire is a physical change.
TRUE or FALSE - False. Wood turning to ash in a fire is a chemical change.
- A ___ is two or more kinds of matter that are placed together but can be easily separated.
- Mixture
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Anything that takes up space and has weight is called __.
a. water b. air
c. solid d. matter - d. matter
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Lakes, bikes, humans, and buildings are all made of __.
a. liquid b. solids
c. matter d. metal - c. matter
- A ___ is something about an object that you can observe with one or more of your senses.
- Property
- ___ is the measure of how much matter an object contains.
- Mass
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A chemical change turns one kind of matter into another kind of matter.
TRUE or FALSE - TRUE
- ___ is the state in which matter has a definite shape and volume.
- Solid
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Fur, bones, claws, and teeth are kinds of matter that make up __.
a. snakes b. bears
c. humans d. birds - b. bears
- ___ is anything that takes up space and has weight.
- Matter
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Which of these is NOT a KIND of matter?
a. cotton b. plastic
c. color d. metal - c. color
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An ice pop that melts goes through a chemical change.
TRUE or FALSE - FALSE. When the ice pop melts it is a physical change. The juice can be refrozen into a popsicle again.
- ___ is the state in which matter has no definite shape or volume.
- Gas
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Colors, shapes, and sizes are all __.
a. tools b. chemicals
c. measurements d. properties - d. properties
- ___ is the amount of space an object takes up.
- Volume
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Liters, milliliters, pints, and gallons are used for measuring __.
a. length b. volume
c. color d. weight - b. volume
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Length is a property that tells what an object __.
a. contains b. weighs
c. holds d. measures - d. measures
- ___ is the state in which matter has a definite volume but no shape of its own.
- Liquid
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The amount of matter an object contains is called its __.
a. volume b. matter
c. mass d. property - c. mass
- ___ ___ is water in a gas state.
- Water Vapor
- When matter changes from a gas state to a liquid state it ___.
- Condenses
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The amount of space an object takes up is called its __.
a. volume b. weight
c. shape d. mass - a. volume
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Mass is usually measured in __.
a. feet b. meters
c. grams d. liters - c. grams
- When matter changes from a liquid state to a gas state it ___.
- Evaporates
- ___ are the three forms of matter: solid, liquid, gas.
- States of Matter
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Which is NOT a solid matter?
a. butter b. cheese
c. ice cream d. milk - d. milk