Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 14: End of chapter review

Author:Mark Levesley, Chris Meunier, Fran Eardley & Gemma Young

Mark Levesley Science Solutions for Exercise - Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 14: End of chapter review

Attempt the free practice questions from Exercise 14: End of chapter review with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 7 : Student's Book solutions are prepared by Experienced Embibe Experts.

Questions from Mark Levesley, Chris Meunier, Fran Eardley and, Gemma Young Solutions for Exercise 14: End of chapter review with Hints & Solutions

EASY
Lower Secondary Stage 7
IMPORTANT

What kind of energy transfer happens in the melting of ice?

EASY
Lower Secondary Stage 7
IMPORTANT

How many joules of energy are there in a kilojoule?

EASY
Lower Secondary Stage 7
IMPORTANT

Explain using energy transfers, how a rubber ball bounces?

EASY
Lower Secondary Stage 7
IMPORTANT

Explain why heat or thermal energies cannot be seen?

EASY
Lower Secondary Stage 7
IMPORTANT

Heat is transferred in the following process. State if the heat in the process is a useful energy output or wasted.

  • Cooking food in a microwave oven.

EASY
Lower Secondary Stage 7
IMPORTANT

Heat is transferred in the following process. State if the heat in the process is a useful energy output or wasted.

  • Using an electric light.

EASY
Lower Secondary Stage 7
IMPORTANT

Heat transferred in the process of using an electric light is a wastage of energy. Explain what useful energy transfer occurs in this case.

HARD
Lower Secondary Stage 7
IMPORTANT

What factors should a government consider when planning a new electricity generating plant?