Year 7 Science · Unit 2 · Lesson 6
Foundation Worksheet
Learning Goals
Match each term to its definition
For each element below, write its category (Metal / Non-metal / Metalloid) in the second column, then write one property from the lesson that justifies your choice.
| Element | Category (Metal / Non-metal / Metalloid) | Property that justifies your answer |
|---|---|---|
| Iron (Fe) | ||
| Oxygen (O) | ||
| Silicon (Si) | ||
| Sulfur (S) | ||
| Copper (Cu) | ||
| Germanium (Ge) |
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.
Silicon is a metal because it has a shiny appearance.
Correct it:
Non-metals are always gases at room temperature.
Correct it:
Metals are found on the left side of the staircase line on the periodic table.
Correct it:
Copper can be drawn into thin wire without snapping, which means it is ductile.
Correct it:
Metalloids conduct electricity just as well as metals do.
Correct it:
1. List the four properties that all metals share and give one everyday Australian example that demonstrates each property.
2. Why is silicon described as a "semiconductor" rather than simply a conductor or an insulator? Use the lesson to explain.
Wrap Up
In one sentence, what was the main idea of this lesson?