Baking is pretty much just ___
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  • astronomy
  • chemistry
  • biology
  • physics
The science of different kinds of matter, and how that matter can change, is called ___
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  • physics
  • baking
  • chemistry
  • biology
Anything made by combining two or more different things is called ___
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  • a solvent
  • a solution
  • a chemical change
  • a mixture
Both baking and chemistry require careful ___
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  • tasting and measuring
  • timing and heating
  • tasting and heating
  • timing and measuring
In a chemical change,  particles that make up two or more substances are rearranged to ___
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  • form a mixture
  • form a new substance
  • mix into a solid
  • mix into a solution
Unlike the mixtures from our picnic, chemical changes usually ___
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  • can't be eaten
  • can't be undone
  • involve only two things
  • can be seperated
Which of these is NOT an indicator of a chemical change?
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  • a change in color
  • giving off or taking in of heat
  • the release of gases
  • a change in shape
Data that supports or disputes a scientific idea is called ___
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  • guesses
  • evidence
  • a theory
  • a hypothesis
All the little holes in the spongy-looking cake were caused by ___
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  • liquid oxygen
  • oxygen gas
  • carbon dioxide gas
  • frozen carbon dioxide
Change in color, release of smell or light, and giving off heat are indicators of ___
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  • a nuclear change
  • a physical change
  • a chemical change
  • a state change
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