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Match it! Select the correct answer from the pull down...Good luck!
Which is an example of a chemical change?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
As thermal energy is added to a substance the space between molecules,
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
What is a sign of a chemical reaction occurred?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
As heat energy is added to H2O what happens?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
Which does not describe a chemical property?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
The gases hydrogen and oxygen chemically combine to form a liquid. Describe their properties.
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
When baking soda and vinegar are mixed together in a sealed container, why doesn't the mass change?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
What is the relationship between molecular motion and temperature?
formation of bubbles
Number of molecules did not change.
As temperature increases, motion increases.
Water molecules movement increases
expands
goes from a solid to a gas
burning paper
A compound has different properties than the elements that made it.
Check it!