Read the paragraph.

What if...?

Randall Monroe is a scientist and he used to work for NASA. One day he started a blog called "What if...?"

Every week people send Randall questions about unlikely or impossible things, and Randall gives scientific answers.

Here are some "What if...?" questions about weather and nature.

Choose the correct answer to the question:

Does Randall use scientific facts to answer the questions?

Read the paragraph.

If you were in a submarine, you'd be safe because you'd be underwater. However, lightning usually hits the tallest thing, so if you were on a flat surface, like in a boat on the sea you wouldn't be as safe.

Choose the best subtitle (question) for this paragraph:

Read the paragraph.

You wouldn't be safe if your head was above the water. Lightning might hit you. And if the lightning hit the water near you, the electrical energy would spread outwards across the water.

Choose the best subtitle (question) for this paragraph:

Read the paragraph.

You wouldn't be safe if your head was above the water. Lightning might hit you. And if the lightning hit the water near you, the electrical energy would spread outwards across the water.

Choose the correct answer to the question:

Can the electricity from lightning move across water?

Read the paragraph.

The rain would break the glass if you drove at the speed of sound. But if you did that, the car would take off! Rain wouldn't break the glass if you drove at a normal speed. But in freezing temperatures, hail would break the windscreen if you drove fast. In fact, that sometimes happens in some parts of the world.

Choose the best subtitle (question) for this paragraph:

Read the paragraph.

The rain would break the glass if you drove at the speed of sound. But if you did that, the car would take off! Rain wouldn't break the glass if you drove at a normal speed. But in freezing temperatures, hail would break the windscreen if you drove fast. In fact, that sometimes happens in some parts of the world.

Choose the correct answer to the question:

Can hail break a car windscreen?

Read the paragraph.

If you were in a submarine, you'd be safe because you'd be underwater. However, lightning usually hits the tallest thing, so if you were on a flat surface, like in a boat on the sea you wouldn't be as safe.

Choose the correct answer to the question:

Are you safer from lightning on a submarine than on a boat?

Read the paragraph.

What if...?

Randall Monroe is a scientist and he used to work for NASA. One day he started a blog called "What if...?"

Every week people send Randall questions about unlikely or impossible things, and Randall gives scientific answers.

Here are some "What if...?" questions about weather and nature.

Choose the correct answer to the question:

Do people send in questions about things that really happened?