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3.1 Matter has mass and occupies space (page 2)

1. Matter is anythings that _____________________________ and __________________________________.

2. All things on Earth are ___________________.

3. Living things, for example, ___________________, ________________ and ______________ are matter.

4. Non-living things, for example, __________, __________________, _________________, _______________ and

___________ are matter.

5. Non matter are light, sound, heat, electricity and vacuum.

3.2 The the states of matter (page5-9)

1. Particles are the basic units of matter.

2. Matter is made up of ________________.

3. Matter exists in three states: ____________________, __________________________and ___________________.

4. The arrangement of particles in the state of matter.pg 6-9

______________ _____________ _____________

Solid liquid gas

Arrangement of particles Close together Slightly further apart Far apart

Movement of particles Cannot move.can onlyvibrate in their fixiedposition

Can move freely Can move most freely inany direction

5. The arrangement and movement of particles in the three states of matter are __________________.

6. Particles in solid are _____________________________ and ___________________________________________.

7. Particles in liquids are are also _________________________ but _______________________________________.

8. Particles in gases are ______________________ and _________________________________________________.

3.3 The concept of density (page10)

1. The density of a substance is _______________________________________________________________________.

2. The formula of density :

3. The unit for density is ________________________________.

Why do some objects and liquids float? (page 12)

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1. Ice, wood, and oil _____________ in water.

2. Stones, marbles and iron cubes ____________ in water.

3. A substance is able to __________or ______________in a liquid depending on its ___________________.

4. A _____________________substance floats in a denser liquid.

5. A __________________substance sinks in a less dense liquid.

(a) ___________________________ (b) _____________________ (c) _________________________

__________________________ ______________________ _________________________

____________________________ ______________________ _________________________

Problem related to density (page 13-14)

1. The mass of 5 cm of copper is 44.5 g. what is its density?

2. The density of water is 1.0 g/cm. What is the mass of 150 cm of water?

3. A 12cm wooden block has a mass of 9.6g. Find out whether it floats or sinks in cooking oil.( The density of

cooking oil = 0.7g/cm .

4. 5 cm of cooking oil has a mass of 3.5g. 10cm of mercury has a mass of 136g. Which substance is denser?

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3.4 The use of the properties of matter in everyday life (page 15)

The uses of the knowledge of different states of matter

1. When a gas is changed into the liquid state under ______________________, it _______________________.

2. Gases like _________________, _____________________ and _____________________ are usually stored

and transported in the ________________ form.

3. It saves a lot of space a gas in the liquid form.

4. We store oxygen gas in the liquid form because easily to transport and save the spaces.

The uses of the concept of density (page 16-17)

1. A hot air balloon is heated, it becomes less dense than the surrounding cool air, it float in the air.

2. A hot air balloon is cooled down, it becomes denser than the surrounding cool air, it will be lower.

3. A ship floats in sea water because the overall density of ship is ______________________________________.4. A submarine has one or more ballast tanks.

5. When the ballast tank is empty, the submarine become less dense, thus the submarine ___________________.

6. When the ballast tank is full with water, the submarine become denser, thus the submarine ________________