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We are going to:• learn what causes

thunderstorms.• talk about the parts of a

thunderstorm.

Unit 4 Extreme Weather - Lesson 4

What do you usually do on a rainy day?

Let's talk!

Warm- up

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A thunderstorm is a storm with heavy rain. It also usually has strong wind, bright light, and loud noises.

thunderstorm: a storm with lightning and thunder, usually with rain and gusty winds.

Is there a thunderstorm coming?

What is a thunderstorm?

Learn

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Read and discuss.

Thunderstorms happen when moist air near the ground gets hot. It rises to the sky to make thick, dark storm clouds.

moist: a little bit wet or damp.

Is the air in your city moist or dry?

What causes a thunderstorm?

Learn

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Checkpoint.

Which picture shows “thunderstorm“?

Learn

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The bright light that you see during a thunderstorm is lightning. This is electricity in the sky. It can be seen in different colors.

Read and discuss. lightning: a flash of bright light in the sky.

Did you see the lightning hit the tree?

What colors can you see in this picture?

Learn

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The loud noise that you hear is called thunder. It always happens after a lightning strike. Thunder is what makes a storm scary!

Read and discuss. thunder: the loud noise after a flash of lightning.

Are you afraid of the thunder?

What always happens after a lightning strike?

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Learn

Let's solve the quiz.

Thunderstorms have wind, thunder, and lightning.

They are caused by hot air rising.

Storm clouds are white and thin.

Lightning is electricity in the sky.

Thunder always happens before lightning strikes.

T F

T F

T F

T F

T F

HINT: Say "T" if the statement is true, say "F" if it is false.

Practice

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Let's discuss.

Q2. How do you stay safe during a thunderstorm?

Q4. Are your parents afraid of thunder?

Q3. What do you think thunder sounds like?

Q1. Are there lots of thunderstorms in your town?

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Apply

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thunderstorm, moist, thick, lightning, thunder, electricity

In this lesson, we...

learned about the parts of a thunderstorm.

learned new words:

Research on how one could stay safe during thunderstorms.

When do thunderstorms usually happen?

Wrap- up

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