Popcorn pops

What is popcorn originally before it is popped?

• A dairy product

• A leafy vegetable

• A kernel or seed

• A type of bean

What appliance can be used to make popcorn besides a pan on the stove?

• A blender

• A refrigerator

• An air popper

• A microwave

What happens to the water inside a popcorn kernel when heated?

• It turns into oil

• It turns into steam

• It evaporates completely

• It freezes

Tags

NGSS.MS-PS1-4

Why does popcorn pop?

• Steam pressure builds inside the kernel

• It absorbs moisture from the air

• The kernel shell cracks due to heat

• It reacts with oil

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What does not happen when popcorn cools down after popping?

• It becomes a liquid

• It stays popped

• It turns back into kernels

• It hardens further

Tags

NGSS.MS-PS1-4