Question 1

Why does bread rise?

Accepted Answer

Bread rises because of something called yeast. Yeast eats sugar and releases tiny bubbles of gas that make the dough get bigger and fluffy.

Question 2

What happens when you mix baking soda and vinegar?

Accepted Answer

When you mix baking soda and vinegar, they make bubbles and fizz! This is because they create a gas called carbon dioxide.

Question 3

Why do onions make you cry?

Accepted Answer

Onions have special chemicals that are released into the air when you cut them. These chemicals can irritate your eyes and make you cry!

Question 4

How does heat cook food?

Accepted Answer

Heat cooks food by changing its texture and flavor. It makes the food softer and releases yummy smells.

Question 5

Why does ice cream melt?

Accepted Answer

Ice cream melts because it's made of frozen milk and sugar. When it warms up, it turns back into a liquid because the cold temperature that kept it solid is gone.

Question 6

Why does popcorn pop?

Accepted Answer

Popcorn pops because there's a tiny bit of water inside each kernel. When it gets hot, the water turns to steam and pops the kernel open!

Question 7

How does salt make food taste better?

Accepted Answer

Salt makes food taste better by bringing out other flavors. It acts like a flavor booster for your taste buds!

Question 8

What makes cookies crunchy or chewy?

Accepted Answer

The texture of cookies depends on the ingredients and how you bake them. More sugar and butter can make them chewy, while longer baking can make them crunchy.

Question 9

Why do we need to bake cake batter for it to rise?

Accepted Answer

Cake batter rises in the oven because of baking powder or baking soda. When these are heated, they make bubbles that help the cake rise and become fluffy.

Question 10

What happens when you add lemon juice to milk?

Accepted Answer

Adding lemon juice to milk makes it curdle, which means it forms clumps. This happens because the lemon juice acid makes the milk proteins stick together.

Question 11

Why does chocolate melt in your mouth?

Accepted Answer

Chocolate melts in your mouth because it contains cocoa butter. Cocoa butter melts at body temperature, which is why it melts as you eat it.

Question 12

What's the difference between boiling and steaming?

Accepted Answer

Boiling means cooking food in hot water, while steaming cooks food using steam from boiling water. Steaming is gentler and helps keep more nutrients in the food.

Question 13

Why do apples turn brown when cut?

Accepted Answer

Apples turn brown because they react with oxygen in the air. This reaction changes their color, but they are still safe to eat.

Question 14

What makes spicy food taste hot?

Accepted Answer

Spicy food tastes hot because it contains a chemical called capsaicin. Capsaicin tricks your mouth into feeling like it's burning!

Question 15

How does baking powder make pancakes fluffy?

Accepted Answer

Baking powder helps pancakes rise by creating bubbles in the batter. These bubbles make the pancakes fluffy when cooked.

Question 16

How does sugar dissolve in water?

Accepted Answer

Sugar dissolves in water because the water breaks it into tiny pieces. This makes it disappear and makes the water taste sweet.

Question 17

Why do egg whites turn white when cooked?

Accepted Answer

Egg whites are made of proteins, which change shape when heated. This change makes them turn from clear to white.

Question 18

What is caramelization?

Accepted Answer

Caramelization happens when sugar is heated and turns brown. This process adds a sweet, nutty flavor and color to food.

Question 19

Why do we use oil or butter in cooking?

Accepted Answer

Oil and butter help cook food evenly and add flavor. They also prevent food from sticking to the pan.

Question 20

How does freezing keep food fresh?

Accepted Answer

Freezing keeps food fresh by making it too cold for bacteria to grow. It slows down spoilage and helps food last longer.

The Chemistry of Cooking: How Ingredients Work Together - 20 FAQs Explained Simply