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Introduction Mr Elijah Ong and Ms Izzati

Introduction

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Introduction. Mr Elijah Ong and Ms Izzati. Simple background. Rules and expectations. Pay attention when teacher is talking Hand in homework on time, if not demerit marks will be given. No copying of work. If found, zero marks will be given - PowerPoint PPT Presentation

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Page 1: Introduction

Introduction

Mr Elijah Ong and Ms Izzati

Page 2: Introduction

Simple background

Page 3: Introduction

Rules and expectations• Pay attention when teacher is talking• Hand in homework on time, if not demerit marks

will be given. • No copying of work. If found, zero marks will be

given• Be responsive and raise questions when necessary.

Raise your hand when asking a question. • No doing of other subject’s work during lesson.

Page 4: Introduction

Finally

Lesson should be fun and meaningful! You

should learn something out of it!

Page 5: Introduction

Biological Molecules

Nutrients and Water!

Page 6: Introduction

Previous lessons

• Cells and structures• Osmosis and diffusion

Page 7: Introduction

Objectives for today

1. State and explain the general need for food in organisms

2. State the general properties of water3. Identify the roles of water in living organisms.4. Identify the needs to conserve water

Water and us?

Why do we need food?

Page 8: Introduction

What do HP and robots need in order to operate?

Chemical Energy

Electrical Energy

Page 9: Introduction

What do humans need in order to operate? (Running, chatting, playing games etc)

Chemical Energy

Heat/ electrical

Energy

Page 10: Introduction

Other functions of food? Other than providing energy?

Growth

Regeneration By providing the necessary raw

materials

Page 11: Introduction

What are nutrients

• Nutrients are chemical substances in food that provide energy and materials needed by the body.

Carbohydrates

Proteins

Fats

Water

Page 12: Introduction

Functions of water

Game Time!

Win Lose or Draw!!

Instructions:

Group 1 vs Group 2

Group 3 vs Group 4

Draw on the board and guess the list of words given!

Time: 5 mins

Objective:Come out with a list of words which describes how water is used by

humans/animals/plants and let another group

guess it!

Time: 5 mins

Page 13: Introduction

Functions of water in the body

ACCC

Allows Transportation

Components of cells Cooling

Chemical Rxn

Page 14: Introduction

Some functions of water in plants

Maintain turgidity

Page 15: Introduction

Dehydration

Page 16: Introduction

Dehydration

Page 17: Introduction

Water is a precious natural resources

Page 18: Introduction
Page 19: Introduction

Water pollution/ scarcity

Page 20: Introduction

Going beyond

• What if we found water in other planets???

Let’s watch a video on this….

Page 21: Introduction

What have we learned today?Biological Molecules

Nutrients

Energy Raw materials

Repair/Growth

Water

Functions

Transport Cooling Chemical

RxnComponents of cells

Page 22: Introduction

Biological Molecules

Nutrients

Energy Raw materials

Carbohydrates

Proteins Fats

Repair/Growth

Water

Functions

Page 23: Introduction

Biological Molecules

Nutrients(Organic)

Water(Inorganic)

Functions

Transport Cooling Chemical

RxnComponents of cells