Thunder and Lightning

What do you do to stay safe during a thunder storm?

• Stay indoors and away from trees.

• Play outside under trees.

• Close all the doors and windows of your house.

What is the meaning of lightning?

• Lightning is the electricity that comes from a plug.

• Lightning is a big flash of electricity.

• Lightning is the sound of thunder.

During what season does the the lighting strikes more?

• During the winter

• During the summer

• Any season

What is the meaning of the word vapor on page 94?

• Solid turns into a liquid

• Air that escapes and forms a gas

• Small drops that floats in the air

How is lightning formed? (page 95)

• The hot air makes the water vapor turn back into water

  droplets or ice crystals. That forms a rain. Inside the rain, the droplets and crystals carry a tiny bit of electricity. The electricity builds until lightning suddenly forms.

• The cold air makes the water vapor turn back into water

  droplets or ice crystals. That forms a cloud. Inside the cloud, the droplets and crystals carry a tiny bit of electricity. The electricity builds until lightning suddenly forms.

• The cold air makes the water vapor turn back into water

  droplets. That forms a cloud. Inside the cloud, the droplets carry a more droplets. The droplets becomes more and rub against each other until lightning suddenly forms.

Describe how lightning moves around.

• Lightning only moves directly from the cloud to the ground.

• Lightning jumps from one cloud to another only and never hits the ground.

• Lightning can jump from one cloud to another, it can move from a cloud to the ground and it can even move from the ground up to a cloud.

How many times is lightning hotter than the sun?

• 4 times

• 10 times

• 5 times

What is the noise we hear called , when the air explodes?

• Thunder

• Lightning

• Vapor

How do you calculate how far away a storm is?

• You can't calculate the distance of lighting.

• To calculate how far away a storm is, wait for two lightning strikes to hit the ground and then count on 10 second, wait for the next strike divide the seconds that you waited for the second strike, by two. That will be how far in km the lighting is away from you.

• To calculate how far away a storm is, watch for lightning. Then count the seconds until you hear thunder. Next, divide the number of seconds by 5. This will tell you how many miles away the storm is

Calculate the distance of lightning: Number of seconds/5=distance in miles

Question: If you hear thunder 20 seconds after you see

lightning, how far away is the storm?

• 5 miles away

• 4 miles away

• 6 miles away