Year 8 Science · Unit 1 · Lesson 11
Foundation Worksheet
Learning Goals
Fill the gap
Choose the correct word from the word bank to complete each sentence. Two words will not be used.
Animals need useful substances from to support their body cells. These useful substances are called . However, food cannot be used by cells in its original form, it must first be processed. The is the body system responsible for this. The process of breaking food down into smaller, usable parts is called . After digestion, useful materials move into the body through , and are then transported to around the body.
True or False? Fix the false ones
Circle T or F for each statement. If the statement is false, rewrite it correctly on the line below.
Animals need nutrients from food to support the function of their body cells.
Correct it:
Cells can use food in its original form, there is no need for digestion before nutrients can be taken up by cells.
Correct it:
Digestion and absorption are the same process, both involve the same step of breaking food down.
Correct it:
The digestive system has the role of breaking food down and allowing useful materials to be absorbed into the body.
Correct it:
1. Explain, in your own words, why the digestive system is an important part of a living system. Use the words nutrients and cells in your answer.
2. A student swallows a whole vitamin tablet. Explain why swallowing the tablet does not mean the body's cells can use it immediately. What must happen first, and which body system is responsible?
Wrap Up
In one sentence, what was the main idea of this lesson?