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Student Book Sample Pages - Nelson Education

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CHAPTER<br />

1<br />

REVIEW<br />

The following icons indicate the<br />

Achievement Chart categories:<br />

K/U Knowledge/Understanding T/I Thinking/Investigation<br />

C Communication A Application<br />

What Do You Remember<br />

1. When using a can opener, what input force is<br />

involved What is the output force K/U<br />

2. Different types of physical systems are named<br />

for they type of energy they use. Give an<br />

example of each type of system and state the<br />

type of energy they use.<br />

(a) mechanical system<br />

(b) optical system<br />

(c) electrical system K/U<br />

3. Identify two components of the following<br />

systems:<br />

(a) the circulatory system<br />

(b) a can opener<br />

4. Social factors can influence the evolution of<br />

a system. For example, when more women<br />

joined the work force, the need for quality<br />

child care rose.<br />

(a) Name two systems, and for each one list<br />

two social factors that have caused those<br />

systems to evolve. Discuss your answers<br />

with a partner. K/U<br />

(b) From your discussions, add one more<br />

system to your list and describe two social<br />

factors that caused it to evolve. K/U T/I<br />

What Do You Understand<br />

5. Use a Venn diagram to compare physical<br />

systems with social systems. K/U<br />

6. Explain why a garden is a system. K/U<br />

7. Name five products or devices you used<br />

today, and tell which type of physical system<br />

they represent. (For example, a bathroom tap<br />

is a mechanical system.) K/U A<br />

8. Pick any natural or human-designed system<br />

of interest to you. List four components<br />

and describe what part of the process each<br />

contributes to making the system run well. K/U<br />

9. For each of the machines or systems in<br />

Figure 1, identify the following:<br />

(a) the desired task<br />

(b) the input<br />

(c) the output<br />

(d)<br />

K/U<br />

any side effects of the system<br />

A<br />

Figure 1<br />

10. You can make an electromagnet by wrapping<br />

a coil of wire around a nail (Figure 2), and<br />

then passing electricity through the wire.<br />

Identify four components of this system and<br />

tell the function of each. K/U A<br />

Figure 2<br />

3<br />

4<br />

2<br />

1<br />

5<br />

6<br />

26 Chapter 1 • Introducing Systems NEL

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