HARD
Lower Secondary Stage 9
IMPORTANT
Earn 100

Draw a table that summarises the differences between exothermic and endothermic reactions. Include two examples of each type of reaction.

Important Questions on Energy Transfers in Chemistry

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>Exercise 10>Q 1
Explain why melting is an endothermic reaction.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>Exercise 10>Q 2
Why does sweating causes cooling?
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>Exercise 10>Q 3
Explain in terms of energy transfer why ice cream melts.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>Exercise 10>Q 4
How will the rate of the evaporation increase if the temperature of a liquid is increased? Explain your answer.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>Exercise 10>Q 5
Is condensation an exothermic or endothermic process? Explain your answer. 
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>End of Chapter Review>Q 3
Which one of the following statements is true? During an exothermic reaction:
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>End of Chapter Review>Q 4
Which one of the following statements is true? During an endothermic reaction:
EASY
Lower Secondary Stage 9
IMPORTANT
Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 8 - Energy Transfers in Chemistry>End of Chapter Review>Q 5
Name the process that occurs when the fast moving particles in a liquid escape from its surface.