Page 5 - 新思维科学学生用书6 样章

How to use this book

How to use this book

In this book you will find lots of different features to help your learning.

What you will learn in We are going to:

the topic. • draw food chains
• explain a food web and identify food chains in a food web
• explain how a food web shows feeding relationships in nature
• identify the source of energy in food chains and food webs
• describe how energy is transferred in food chains and food webs.

Questions to find out what Getting started

you know already. The parts inside your body are called organs. The body organs do
different jobs to keep you alive and healthy. Discuss these questions
with a partner. Be prepared to share your ideas with the class.
1 Which organ is found in the head?
Important barrier mucus 2 Which organs are found in the chest?
defences parasite 3 Which organ pumps blood around the body?
words and host repellents 4 Name two organs in the digestive system.
hygiene vectors
their
Think like a scientist
meanings. How people use rocks in my area

Work in pairs.
Look for ways people use rocks in your area.
For example: for building walls and roofs of houses, making pots, statues,
These questions help you gravestones, furniture, ornaments, roads, polished walls of banks, public
and government buildings.
track your progress. Safety: Take care not to wander around alone.
Don’t climb onto roofs to get a closer look at building materials.
Make a list of what you find. Use references to identify the rocks used.
Ask for permission to take photographs if you can. Draw pictures of what you see.
Share your findings with the class.

How am I doing?
How well did you work in your group? Did you contribute well?
Did you help to answer the questions?
Rate yourself or or

A fun activity about the Activity 1
science you are learning. Types of soil
1 Go back to the soil sample you studied earlier.
Test it to see how well it holds water.
Can you roll it into a ball or does the ball break up?
Does it contain organic matter?
What type of soil do you think this is? Give reasons for your answer.

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