What is an endothermic reaction?
Chemical and Physical change review

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Science
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7th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, resulting in a decrease in temperature.
2.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases energy, usually in the form of heat, resulting in an increase in temperature.
3.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where substances combine or break apart to form new substances with different properties.
4.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.
5.
FLASHCARD QUESTION
Front
What are some examples of chemical changes?
Back
Examples of chemical changes include rusting of iron, burning of wood, and baking a cake.
6.
FLASHCARD QUESTION
Front
What are some examples of physical changes?
Back
Examples of physical changes include melting ice, boiling water, and dissolving sugar in water.
7.
FLASHCARD QUESTION
Front
How can you identify a chemical change?
Back
Signs of a chemical change include color change, gas production, temperature change, and the formation of a precipitate.
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