Science

Y9 Science

Key Stage 3

Year 9

Biological systems and processes

This lesson looks at the different parts of the human skeleton, the functions of the skeleton and joints in the human body.

Musculoskeletal system

This lesson will show you how to identify major muscle groups involved in common movements, describe how some of the muscular tissue in our organs work and understand how to measure the force of some of the skeletal muscles in the body.

Muscles

This lesson looks at the function and structures in the respiratory system. The lesson will look into how gases are absorbed from the alveoli into the bloodstream using diffusion. It will also look into explaining how alveoli are adapted for their function.

The respiratory system

This lesson goes through the word equation for respiration and explains the importance of respiration.


Aerobic respiration

This lesson looks to explain the processes involved in breathing. It will compare the difference in lung volumes in different people and we will calculate means and identify the range in the data collected.


Breathing

This lesson looks at describing and explaining the effects of exercise on the respiratory system.


The effects of exercise on respiration

This lesson goes through the word equation for anaerobic respiration, the importance of anaerobic respiration and then compares aerobic and anaerobic respiration


Anaerobic respiration

The focus of this lesson is to plan an investigation into the effects of exercise on breathing rate. We will be looking to identify key variables


How does the intensity of exercise affect breathing rate? An investigation

Recall key terms, definitions and structures related to biological systems and processes.
Use scientific language accurately to correct statements. Review and consolidate knowledge


Review One

In this lesson you will describe the effects of cigarettes on the tissues of the lungs and on gaseous exchange. You will also describe and explain the impacts on the health of smokers and their unborn babies. We will also look at describing trends in secondary data.


Smoking

In this lesson we will describe the effects of alcohol on the body and behaviour. We will describe the effects of alcohol on health and the developing foetus. We will also look at how to display secondary data appropriately


Alcohol

In this lesson we will define the terms DNA, gene and chromosome and create a model of DNA


In this lesson we will look at the scientists who contributed to the discovery of the structure of DNA

DNA case study: Franklin, Wilkins, Watson and Crick

In this is lesson we will look at how to use genetic terms correctly. We will draw simple Punnett squares to show inheritance. We will then determine the probability of offspring displaying a particular characteristic


Inheritance

In this lesson we will recall key terms, definitions and structures related to biological systems and processes
We will also use scientific language accurately to correct statements and review and consolidate our knowledge.

Key Stage 3, Science, Biological systems and processes

Unit Quiz