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Match it!
Match it! Select the correct answer from the pull down...Good luck!
A _______________________ causes the formation of a new substance.
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
Rust occurs because of the _________ being exposed to moisture over a long period of time
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
To make different without changing what the material is made of, such as cutting, folding, or melting
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
Two clear substances are combined inside a plastic bag. The plastic bag is tightly sealed. What observation would indicate that mixing the chemical produced a new substance?
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
An example of a chemical change
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
Question 2 Two items are combined inside a balloon. The balloon is tied shut. What observation would indicate that mixing the chemical produced a gas?
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
This can be released during a chemical change
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
Rain can cause ________ to form on a metal swing set.
metal
Fireworks
Energy
The balloon increases in volume.
rust
The substance in the bag becomes warm.
chemical reaction
Physical change
Check it!