What causes lightning?
Sunlight
Colliding clouds
Electric charges in clouds
Wind blowing
What causes thunder?
Clouds bumping
Air expanding rapidly from lightning heat
Rain hitting the ground
Birds flapping wings
Why do we see lightning before we hear thunder?
Lightning is brighter
Thunder is quieter
Light travel faster than sound
Our ears are slower than our eyes
What is the sound of thunder caused by?
Clouds clapping
Air exploding
Lighting hitting the air
Rain hitting the ground
What is a thunderstorm?
A sunny day with clouds
A snowstorm with thunder
A storm with lightning and thunder
A storm with lightning and thunder
What should you do during a thunderstorm?
Go swimming
Stand under a tree
Stay indoors
Fly a kite
What is the bright flash in the sky during a storm?
Thunder
Lightning
Rain
Wind
How hot can lightning make the air?
As hot as the sun
Hotter than the sun
Cooler than the sun
Same as room temperature
What is the distance trick to estimate how far lightning is?
Count seconds between flash and thunder
Measure the brightness
Feel the wind
Check the rain
What is the safest place during a thunderstorm?
Under a tree
In a car
In an open field
On a rooftop
What is the electrical charge that builds up in clouds?
Positive only
Negative only
Both positive and negative
No charge
What happens when opposite charges meet?
They repel
They create lightning
They disappear
They form clouds
What is the rumbling sound after lightning?
Wind
Rain
Thunder
Snow
Why is it dangerous to be in water during a thunderstorm?
You might get wet
Lightning can travel through water
Fish might bite
It's cold
What should you avoid during a thunderstorm?
Using electrical appliances
Reading a book
Drinking water
Sleeping
What is the term for lightning that doesn't hit the ground?
Cloud-to-cloud lightning
Ground lightning
Sky lightning
Air lightning
What is the term for lightning that strikes the ground?
Cloud lightning
Ground-to-cloud lightning
Cloud-to-ground lightning
Sky lightning
What is the term for a storm with snow and thunder?
Snowstorm
Thundersnow
Blizzard
Thunderblizzard
What is the term for a lightning bolt that appears without thunder?
Silent lightning
Heat lightning
Quiet lightning
Soft lightning