Question 1

How does a light bulb work?

Accepted Answer

When you turn on a light bulb, electricity flows through a tiny wire inside it. This wire gets really hot and starts to glow, making light.

Question 2

Why do magnets stick to the fridge?

Accepted Answer

Magnets stick to certain metals like the ones used in fridges. The magnet has a force that pulls on these metals, making it stick.

Question 3

How does a microwave heat food?

Accepted Answer

A microwave oven sends tiny waves through your food. These waves make water molecules in the food move fast, which heats it up.

Question 4

Why does a ball bounce?

Accepted Answer

When you drop a ball, it squishes a bit as it hits the ground and then tries to snap back to its shape, making it bounce up.

Question 5

Why do boats float?

Accepted Answer

Boats float because they push water out of the way, and the water pushes back. If a boat is lighter than the water it pushes away, it stays afloat.

Question 6

How does a bicycle stay balanced?

Accepted Answer

When you ride a bicycle, moving forward helps keep it balanced. The wheels turning fast help keep it straight and not fall over.

Question 7

Why does ice melt?

Accepted Answer

Ice melts when it gets warmer than freezing temperature. The heat makes the ice turn into water.

Question 8

How does a fan cool the air?

Accepted Answer

A fan moves the air around, so it feels cooler to our skin. This movement helps sweat evaporate off us, making us feel cooler.

Question 9

Why does a spoon get hot in hot soup?

Accepted Answer

The hot soup makes the spoon get warm because heat travels from the soup to the spoon. Metals like spoons carry heat fast.

Question 10

How does a refrigerator keep food cold?

Accepted Answer

A refrigerator moves heat from inside to outside, keeping the inside cold. It uses a special liquid that changes into gas to help do this.

Question 11

Why do your clothes stick together after being in the dryer?

Accepted Answer

Clothes can stick together because of static electricity. Rubbing in the dryer makes them have tiny electric charges that pull them together.

Question 12

How does a parachute slow a person down?

Accepted Answer

A parachute opens and catches a lot of air, which makes the person fall slower. The big area of the parachute helps stop the speed.

Question 13

Why do airplanes fly?

Accepted Answer

Airplanes fly because their wings are shaped to create lift. When an engine moves the plane forward, the air moves over the wings and lifts the plane up.

Question 14

How does a seesaw work?

Accepted Answer

A seesaw balances on a point called a fulcrum. When you sit on one end and someone sits on the other, it goes up and down because of weight and balance.

Question 15

Why do you feel lighter when jumping on a trampoline?

Accepted Answer

When you jump on a trampoline, the stretchy material pushes you back up. This makes you feel light because you’re moving up quickly.

Question 16

How does a remote control work?

Accepted Answer

A remote control sends invisible signals, like tiny flashes, to the TV or toy. The TV or toy reads these signals and follows the commands.

Question 17

Why does a balloon pop?

Accepted Answer

A balloon pops when the air inside pushes too hard against the rubber. If it gets too tight, it breaks and makes a loud pop.

Question 18

How do airbags keep people safe in a car?

Accepted Answer

In a crash, airbags quickly fill with air to cushion people. They help prevent hitting the hard parts of the car.

Question 19

How do glasses help you see better?

Accepted Answer

Glasses have special lenses that bend light just the right way so your eyes can see clearly. They help focus the light correctly on your eyes.

Question 20

Why does your hair stick up after taking off a hat?

Accepted Answer

Taking off a hat can make your hair stand up because of static electricity. The hat and hair rub together, making little charges that push your hair up.

The Physics of Everyday Objects - 20 FAQs Explained Simply