What measurement could we take to determine if a reaction was endothermic or exothermic?

Choose 1 answer

The mass change, using a balance

The volume change, using a gas syringe

The temperature change, using a thermometer

The energy change, using a thermometer

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Select 4 examples of exothermic reactions:

Drag the images into the correct place.

Correct answers

Incorrect answers

Combustion

Respiration

Photosynthesis

Neutralisation

Thermal decomposition

Oxidation

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Which of these statements is a definition of an endothermic reaction?

Choose 1 answer

The temperature increases

The temperature decreases

Energy is given out to the surroundings

Energy is taken in from the surroundings

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Which of these statements is a definition of an exothermic reaction?

Choose 1 answer

The temperature increases

The temperature decreases

Energy is released to surroundings

Energy is taken in from the surroundings

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Fill in the blanks

Select the missing words in the text.

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Answer incorrect

Look at the slide below to work out the answer.