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Transcript

Today's Lesson

first conditionals

GRAMMAR

expository text features visual aids

READING

conduct, dissolve, crush, tear

VOCABULARY

adverbs of frequencyonce, one time

WORD WORK

Teacher Tips

Level 6 Unit 3 Lesson 2

What's (the) Matter?

My physics book, it weighs a ton, And my homework sitch was dire. I thought that I would have some fun, So I set the book on fire. The flames, they burned as high as a tree, And the teacher's look was strange.But he wasn’t mad, he just gave meA test on chemical change.

Physics is Phun!

My physics book, it weighs a ton, And my homework sitch was dire. I thought that I would have some fun, So I set the book on fire. The flames, they burned as high as a tree, And the teacher's look was strange.But he wasn’t mad, he just gave meA test on chemical change.

Word Work

Adverbs of Frequency

Use any of these words with "a + time period."I go to the movies once a week. I sing three times a day.

one timetwo timesthree times

oncetwicethrice

How often?

I only go to the beach once a year.

Vocabulary

conduct - allow something (heat, electricity, sound) to flow through it

These wires conduct electricty.

crush - squeeze hard enough to change the shape

Someone crushed this can.

dissolveincorporate a solid into a liquid

The sugar cube will dissolve in the hot coffee.

tearrip something into pieces

The paper did not tear evenly.

Matching

mix a solid into a liquidrip into piecessmash into a newshapeallow heat to flow through

crush

dissolve

conduct

tear

Multiple Choice

When an object allows electricity to move through it, it a. conducts sound b. drives electricityc. conducts electricity d. pours electrictyIf you create a solution, you will mix a solid into a liquid and the solid willa. condense b. dissolvec. evaporate d. whistleIf you stomp on a can with your foot, you will a. crush the can b. protect the canc. view the can d. notice the canIf I rip the paper in half because I am so furious. I a. tear the paper b. hammer the paperc. protect the paper d. cage the paper

Opinion

or crushing an object?

ripping an object

Reading

Prereading

Can you describe your pen?

The pole conducts the electricity from the lightning.

Physical properties of matter

When you observe matter, you can see that every substance has its own physical properties. Different substances have different colors, hardness and density. Sometimes it is easy to bend a substance or change its shape. This is called malleability. Some substances can conduct electricity, and you should move away from these during a thunderstorm! Sometimes it is easy to dissolve a substance into a liquid, like when people put sugar into coffee. Every substance has a different temperature at which it boils or melts.

Cutting paper is a physical change.

Physical properties of matter

If you change the way a substance looks, you create a physical change. If you dissolve sugar into coffee, you create a physical change. The sugar is still there; it’s still sugar; it’s just now a liquid. You can create physical changes by ripping paper (It’s still paper!), breaking a rock (The smaller rocks are still the same kind of rock!) or freezing water (The ice is still H2O!).

This salad is a mixture of different vegetables.

Physical properties of matter

You can also make a physical change by creating a mixture. A mixture is when any substances are mixed together without changing the substances. Imagine if you put all of your pencils in a jar with all of your friend’s pencils. You will have a mixture because the items are still pencils, they are just now mixed together. If you cut up many different types of fruit and put them in a bowl, you will make a mixture.

This physical change is almost impossible to undo.

Physical properties of matter

Physical changes are quite helpful in our lives. If you have to take out the trash, it is much easier if you crush the trash to make it smaller. If you write all of your homework incorrectly, you might want to tear up the paper and start over again. Other physical changes cause problems. If you drop a glass on the floor, it will be very difficult to get that glass back together again.

Physical Change

getting a haircut

bending a ruler

ripping paper into two pieces

breaking a plate

popping a balloon

ripping paper into two pieces

Text Features

This salad is a mixture of different vegetables.

caption

visual aid

Reading comp

Captions

Reading comp

Grammar

1st Conditionals

first conditionalsIf (present), than (future).If you drop the glass, it will break.

first conditionalsare very likely to be trueIf it rains today, I will open my umbrella.

Matching

I will go to the party tonight. I will tell her the truth. she will be late to school.I won't go to the park.

If I see her,

If I study today,

If the train leaves late,

If it is raining tomorrow,

If you let me use the car, I wil buy you a piece of candy.

Situations

Wrap Up

Debate

Tell some pros and cons of different physical changes.

Extension

Draw a picture of a physical change and explain what happened.

Write five sentences about physical changes you have seen this week.

expositorytext features

first conditionals

READING

GRAMMAR

conduct, dissolve, crush, tear

adverbs of frequency

VOCABULARY

WORD WORK

Goodbye!