Question 1

What is cotton made from?

Accepted Answer

Cotton comes from the fluffy fibers on a cotton plant. Farmers collect the fluffy part, clean it, and spin it into threads to make fabric.

Question 2

Why is concrete so strong?

Accepted Answer

Concrete is strong because it’s a mix of cement, water, sand, and rocks. When water is added, the cement hardens and binds everything together like glue.

Question 3

How is glass made?

Accepted Answer

Glass is made by heating sand until it melts and turns into liquid. When it cools down, it turns into the solid, clear glass we use in windows and bottles.

Question 4

What makes rubber stretchy?

Accepted Answer

Rubber is stretchy because it's made of long, twisty molecules that can stretch out like a rubber band. When you let go, they spring back to their original shape.

Question 5

Why does metal feel cold?

Accepted Answer

Metal feels cold because it quickly takes heat away from your skin. It’s like a sponge for heat, so it feels colder than other materials.

Question 6

What are bricks made of?

Accepted Answer

Bricks are made of clay or mud, which are shaped into blocks and then baked at a high temperature. This makes them hard and strong for building houses.

Question 7

How does paper come from trees?

Accepted Answer

Paper is made from the wood in trees. The wood is chopped up, mixed with water, and turned into a mushy paste that dries into thin sheets.

Question 8

What makes plastic different from other materials?

Accepted Answer

Plastic is different because it can be moldable into almost any shape. It's made from chemicals called polymers and can be soft, hard, or bendy.

Question 9

Why is silk so smooth and shiny?

Accepted Answer

Silk is smooth and shiny because it's made from the threads produced by silkworms. The threads are long and have a shiny surface, making silk soft and glossy.

Question 10

What makes wood so useful?

Accepted Answer

Wood is useful because it’s strong, yet easy to cut and shape. It comes from trees and can be used to make things like furniture, houses, and even toys.

Question 11

How is leather made from animal skin?

Accepted Answer

Leather is made by treating animal skins to make them strong and flexible. This process involves cleaning the skin and adding special chemicals so it lasts a long time.

Question 12

How does wool keep us warm?

Accepted Answer

Wool keeps us warm because it traps tiny pockets of air. These air pockets act like a cozy blanket, keeping our body heat close to us.

Question 13

What is nylon and why is it useful?

Accepted Answer

Nylon is a man-made material that is strong and stretchy. It's used to make things like ropes, stockings, and parachutes because it's durable and flexible.

Question 14

Why is aluminum used for making cans and foil?

Accepted Answer

Aluminum is light, doesn't rust, and can be shaped easily. This makes it perfect for making cans and foil to keep food fresh and protected.

Question 15

What makes marble special?

Accepted Answer

Marble is a type of rock that is very hard and has a beautiful, shiny surface. It's often used in sculptures and buildings because it looks fancy and lasts a long time.

Question 16

How does soap clean our hands?

Accepted Answer

Soap cleans our hands by breaking up the oil and dirt so water can wash it away. It grabs onto the dirt and germs, making them easy to rinse off.

Question 17

What is special about stainless steel?

Accepted Answer

Stainless steel is special because it doesn’t rust or stain easily. It’s strong and shiny, which makes it great for kitchen objects and buildings.

Question 18

How do sponges soak up water?

Accepted Answer

Sponges soak up water because they have tiny holes that suck the water in. These holes hold water inside the sponge like a cup.

Question 19

Why do we use fabrics like polyester?

Accepted Answer

Polyester is used because it's strong, doesn’t wrinkle easily, and dries quickly. It’s great for clothes and everyday items because it lasts a long time.

Question 20

What’s the difference between stone and rock?

Accepted Answer

Rocks are made up of one or more minerals and can be any size. Stones are smaller pieces of rock and are often used in building or decoration.

The Science of Everyday Materials: From Cotton to Concrete - 20 FAQs Explained Simply