Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Microorganisms and Disease, Exercise 2: Exercise 2

Author:Aidan Gill, Heidi Foxford & Dorothy Warren

Aidan Gill Science Solutions for Exercise - Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Microorganisms and Disease, Exercise 2: Exercise 2

Attempt the free practice questions on Chapter 2: Microorganisms and Disease, Exercise 2: Exercise 2 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 7 : Workbook solutions are prepared by Experienced Embibe Experts.

Questions from Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Microorganisms and Disease, Exercise 2: Exercise 2 with Hints & Solutions

MEDIUM
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Science Stage 7 : Workbook>Chapter 2 - Microorganisms and Disease>Exercise 2>Q 3

Why do fridges and freezers help to prevent food from spoiling?

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Science Stage 7 : Workbook>Chapter 2 - Microorganisms and Disease>Exercise 2>Q 4

Mr Lee leaves some bread, dried figs and pickled gherkins in his cupboard while he goes on holiday.

When he gets back, the bread is mouldy. But the dried figs and pickled gherkins are not mouldy. Explain why.

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Science Stage 7 : Workbook>Chapter 2 - Microorganisms and Disease>Exercise 2>Q 5

There are several stages in the scientific method used by scientists.

Complete the table by writing 1st, 2nd, 3rd or 4th to show the correct order of the stages shown.

Stage of sceintific method Order
Experiment  
Question to be answered   
Results  
Prediction  

 

EASY
Lower Secondary Stage 7
IMPORTANT
Cambridge Lower Secondary Science Stage 7 : Workbook>Chapter 2 - Microorganisms and Disease>Exercise 2>Q 6

Pasteurised milk eventually spoils even if the container is not opened. Explain why?