Question 1

What is the science of everyday materials?

Accepted Answer

It's the study of things we use daily, like plastic, glass, and metal. It helps us understand how they are made and what makes them special.

Question 2

Why are some materials like rubber stretchy?

Accepted Answer

Rubber is stretchy because its tiny parts can move around easily. This lets it change shape and then go back to its original form.

Question 3

Why does metal feel cold to the touch?

Accepted Answer

Metal feels cold because it takes away the heat from your hand quickly. It's really good at moving heat around.

Question 4

Why is glass see-through?

Accepted Answer

Glass is see-through because light can travel through it without being stopped. This lets us see through glass, like windows.

Question 5

How is plastic made?

Accepted Answer

Plastic is made from oil and other natural materials. It goes through a process where it's heated and shaped into many forms like bottles and toys.

Question 6

Why is wood used for making furniture?

Accepted Answer

Wood is used for furniture because it's strong and can be shaped easily. It also looks nice and can last a long time.

Question 7

What makes some materials waterproof?

Accepted Answer

Some materials don't let water pass through them. They have a surface that stops water from soaking in, like raincoats.

Question 8

Why does paper come from trees?

Accepted Answer

Paper is made from trees because trees have fibers that can be mashed into a pulp. This pulp is then flattened and dried to become paper.

Question 9

Why does metal rust?

Accepted Answer

Metal rusts when it gets wet and is exposed to air. The water and air make the metal change, creating rust.

Question 10

How are bricks made?

Accepted Answer

Bricks are made by shaping clay and then baking it at high temperatures. This makes them hard and able to be used for building.

Question 11

Why is cotton soft?

Accepted Answer

Cotton is soft because it's made from fluffy fibers that come from cotton plants. These fibers are woven together to make soft fabric.

Question 12

What makes plastic different from glass?

Accepted Answer

Plastic is lighter and doesn't break as easily as glass. It's also made in a way that allows it to be shaped into lots of different things.

Question 13

Why do we use leather for shoes?

Accepted Answer

Leather is strong, flexible, and lasts a long time. This makes it perfect for shoes that need to protect our feet.

Question 14

What are materials made of?

Accepted Answer

Materials are made of tiny pieces called atoms. Atoms are like building blocks that can be arranged in different ways to make everything we see and touch.

Question 15

Why does ice float on water?

Accepted Answer

Ice floats because it's less dense than water. This means its molecules spread out more, making it lighter for the same amount of space.

Question 16

Why is fabric sometimes stretchy?

Accepted Answer

Fabric is stretchy if it has materials like spandex in it. These materials can stretch and let the fabric move with us.

Question 17

How does metal bend without breaking?

Accepted Answer

Some metals can bend because they have small parts that slide past each other. This lets them change shape without snapping.

Question 18

What makes sand turn into glass?

Accepted Answer

Sand turns into glass when it's heated to very high temperatures. This heat melts the sand, which then cools down to form glass.

Question 19

Why does wool keep us warm?

Accepted Answer

Wool keeps us warm because it traps air. The air can't move around, so it keeps the heat from your body close to you.

Question 20

How can we recycle materials?

Accepted Answer

We can recycle materials by reprocessing them into new things. For example, melting old plastic to make new bottles or using paper again to make new paper products.

The Science of Everyday Materials - 20 FAQs Explained Simply