Unit 10 – Matter

10 Matter

In this chapter you will ...

• describe and group the things around you. • describe how matter can change. • list the three states of matter and list examples of each.catio mples of e n

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How can we observe and describe the world around us? Activity 10.1AB Go Online! Access interactive content relating to this topic on the NGScience website. ngscience.comcatio tio GoOnline! Access i conten this t NG ng

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Describing Matter

The air you breathe, the water ater you drink and the toys you play u play with are all matter. Matter is what all things are things ar made of. Even you are matter. ou are m We can describe matter in many ways. What are some examples of matter in your classroom?

du ribe maucWhat are s matter in tt

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We can describe matter by how it looks. We can describe the size, color and shape of matter. We can also describe matter by how it feels. How can you describe the matter in the bedroom? Try This! At home, use your senses of touch and sight to describe your favorite toy. Activity 10.2AB cation on This nome, use y senses of to sight to des your fav

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Grouping Matter We can group the objects around us by the ways they are the same. We can group things by color, shape, size or how they feel. The objects are grouped by color. al leducation ed cts around around re the same he same gs by color, gs by color ow they feel. w they feel e ts are y color. color.

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We can also group things by their use or function. The objects are grouped by how they are used. Activities 10.3 – 10.4AB Regal R edducationedu d ects are ects ar d by how d by how y are used. y are used

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Changing Matter g Matter Matter can change. You can push, pull and twist clay to change its shape. You can fold and cut paper into different shapes and sizes. What are some other ways matter can change?al le educ change. ange. n push, pull a ush, pull a h ll ll ange its shap ange its sha ou can fold a an fold different sha ferent sha Wh

When you put water in a freezer, it ucationn a freezer, freeze ucatio changes into ice. Ice changes to water when it melts. Activity 10.5AB wa al 10.5 when

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Objects and Matter tter

We use objects in different ways. erent waysn ays Different objects have different ve differentdiff functions.

The matter we use to make an object must match its use. How is the matter in each tool matched to its use? use to make to ma match its usatch its usca he ma matched

R edduc

The table is hard and strong. The tab The rug is soft and strong.

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Glass windows allow us to see outside.

How does matter help these objects to function?

Engineer It! Design and build a bridge to move a toy car from one desk to another. to ation n nd build to move a rom one d th to another. nother.

Activity 10.6AB R H the Reg Activity

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States of Matter

Think Deeply

What happens to an ice cream on a hot day? Why does this occur? There are three states of of matter – solid, liquid and gas. and gas. A solid is matter that keeps its that keeps i shape. The park bench is k bench is bench is solid matter. A liquid is matter that flows s matter thaatter th and changes shape. The water anges shap s shap in the lake is liquid matter. lake is liquidis liqu

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A gas is matter that floats ts freely. A gas spreads out. out.t The air we breathe is a gas. s a gas.ga

Try This! Blow air into a balloon. What happens to the size catio ca a T and shape of the p balloon? balloon?

AB Activity 10.7

Go Online!

Watch a video about the different states of matter on the NGScience website. QuickCode: Q7U1

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Science Words

matter solid

Review

1. True or false. (a) Matter is what all things are made of. (b) People are not matter. 2. List three things around you that are matter. 3. Use two words to describe each object. liquid gas (a) (c) (b) (d) d) (a) Rega education tio made o you that cribe ea (

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5. List the three states of matter. 6. Give one example of each state of matter. 4. What makes each object suited to its use? (a) (b) (c) What makes each object suite ) Rega e three sta Give one e leducation

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In the Field

A material is what an object is made of. A materials scientist is a special type of of scientist that invents new types of materials. aterials.ls

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They invent materials that can be lighter, stronger or harder than other materials. erials that cs that c rder than oter than ot ducation

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