Question 1

What is cooking in terms of chemistry?

Accepted Answer

Cooking is like doing a science experiment in the kitchen. It's when different ingredients mix and change to make food taste good.

Question 2

Why does food change color when it's cooked?

Accepted Answer

When you cook food, heat makes it change color. This happens because the heat changes the way food is made up, like turning a raw egg white from clear to white when it's cooked.

Question 3

How does heat make food taste better?

Accepted Answer

Heat helps bring out flavors in food. It makes food smell good, feel warm, and combine new tastes.

Question 4

Why do onions make you cry when you chop them?

Accepted Answer

Onions have a special juice that changes when you cut them. This juice mixes with the air to make a gas that can sting your eyes and make you cry.

Question 5

What makes bread rise when it's baked?

Accepted Answer

Bread rises because of yeast, a tiny living thing that breathes out gas. This gas makes little bubbles in the dough, helping it puff up.

Question 6

How does marinating meat make it tastier?

Accepted Answer

Marinating meat is like giving it a flavor bath. The flavors soak into the meat, making it taste even better when you cook it.

Question 7

Why do some fruits turn brown when you cut them?

Accepted Answer

When you cut fruits like apples, they meet air and start turning brown. It’s a little skin reaction they have to protect themselves.

Question 8

How does sugar melt and caramelize?

Accepted Answer

Sugar melts and turns into a golden syrup when it's heated. This makes it sweet and sticky, and it tastes like caramel.

Question 9

Why does butter melt when heated but not bread?

Accepted Answer

Butter melts because it's mostly made of fat, which turns liquid when heated. Bread doesn't melt because it's made of starch and flour, which hold their shape.

Question 10

What happens to veggies when they're cooked?

Accepted Answer

Cooking veggies makes them softer and easier to eat. It also brightens their colors and can make some taste sweeter.

Question 11

What is boiling in cooking?

Accepted Answer

Boiling is when you heat water so much that it makes big bubbles. These bubbles help cook food like pasta and eggs.

Question 12

Why do ice cream and cookies taste different?

Accepted Answer

Ice cream is cold and creamy with lots of sweet flavors. Cookies are baked and crunchy, which gives them a different kind of delicious taste.

Question 13

How do herbs and spices add flavor to food?

Accepted Answer

Herbs and spices come from plants and have strong tastes and smells. Adding just a little can make food taste really exciting!

Question 14

What does freezing do to food?

Accepted Answer

Freezing food makes it really cold so it doesn’t go bad. It's like putting it to sleep until you want to eat it.

Question 15

How does baking soda help cookies rise?

Accepted Answer

Baking soda makes bubbles in the cookie dough. These bubbles puff up the cookies and make them fluffy when baked.

Question 16

Why do we salt water when cooking pasta?

Accepted Answer

Salt makes the water taste better, like seasoning the pasta while it cooks. It helps bring out the taste in the pasta.

Question 17

What's the difference between baking and frying?

Accepted Answer

Baking is cooking food in the oven with dry heat. Frying cooks food in hot oil, making it crispy and golden.

Question 18

Why does chocolate melt in your hand?

Accepted Answer

Chocolate melts because your hand is warm. The heat from your skin changes solid chocolate into a liquid.

Question 19

What makes soda fizzy?

Accepted Answer

Soda is fizzy because it has lots of tiny bubbles of gas called carbon dioxide. When you open the can, the bubbles rush out and tickle your tongue.

Question 20

Why do different cheeses taste different?

Accepted Answer

Different cheeses are made with different kinds of milk and have different amounts of time to age. This gives each cheese its special taste and texture.

The Chemistry of Cooking: Reactions, Techniques, and Flavor Enhancement - 20 FAQs Explained Simply