Exothermic & Endothermic Reactions Crossword Puzzle
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QUESTIONS LIST:
- degrees celsius: a measurement of temperature
- exothermic: a reaction that produces heat
- atoms: an extremely small piece of something
- reactants: another name for the molecules involved in a chemical reaction
- absorbed: taken in or soaked up
- chemical: any basic substance that is used in or produced by a reaction involving changes to atoms or molecules#
- gases: another word for the substances found in air
- endothermic: a reaction that causes the temperature to fall
- temperature: used to measure temperature
- oxygen: a molecule in the air we breath
- calorimeter: a piece of equipment for measuring the amount of heat lost or produced in a chemical reaction
- hot: high temperature
- methane: a gas with no smell or colour
- injury: physical harm or damage to someone
- dissolve: what happens to sugar in tea
- cold: low temperature
- chemical energy: what is the energy stored in the bonds that connect atoms and molecules together
- bonds: how atoms stick together
- molecules: a group of atoms bonded together
- water: a chemical substance that has 2 hydrogen atoms and 1 oxygen atom
