2 Introduction

• physics
• Middelbare school
• mavo, havo, vwo
• Leerjaar 2

Today

Section 1 and 2 (partly)

Have a look at Skill 2 and 3

(Quantity length, volume and mass)

How can you distinguish between granulated sugar and table salt?

1. They smell different
2. They taste different
3. They have different colors

Some substances have properties that make them dangerous. Put the words in the right places.

Dynamite is a substance that can

Petrol is a substance that can

Hydrochloric acid is a corrosive

explode

burn

substance

Most of the substances you come across in nature are mixtures.
Click the remark that is correct.

1. A mixture consists of one substance
2. Coke is not a mixture
3. A mixture consists of several substances

You put a little sugar in a cup of hot tea. The sugar seems to disappear into nothing.
What happens to the sugar?

1. The sugar dissolves
2. The sugar burns
3. The sugar evaporates

Put these in the correct order, from smallest to largest.

1 dm3

1 m3

1 cm3

Put these in the correct order, from largest to smallest.

1 ton

1 mg

1 kg

Convert:
300 g = kg

Convert:
0.001 L = mL

There are two blocks in front of you, both the same size. One block is made of wood and the other is made or iron.

1. The iron block is heavier than the wooden block
2. The wooden block is heavier than the iron block
3. The blocks are equally heavy

Hw.

Read section 1 (page 36 and 37)

section 2 (page 41)