Why Does Cooking Eggs Make Them Hard?

Why Does Cooking Eggs Make Them Hard?

Assessment

Interactive Video

Science

1st - 6th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video explores the differences between raw and hard boiled eggs, focusing on how boiling changes the egg's internal structure. It explains the role of proteins in this transformation, describing how heat causes proteins to unfold and stick together, resulting in a solid egg. The video also discusses the effects of cooling and the concept of soft boiled eggs, encouraging viewers to experiment with cooking eggs to observe different textures and tastes.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between a raw egg and a hard boiled egg?

The shell becomes softer.

The yolk becomes a liquid.

The egg white turns transparent.

The inside becomes solid.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the proteins in an egg when it is boiled?

They remain unchanged.

They evaporate.

They unfold and stick together.

They dissolve in water.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't you reverse the boiling process of an egg by cooling it?

The shell becomes too hard.

The yolk changes color.

The egg white becomes transparent.

The proteins remain stuck together.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of boiling an egg for a shorter time?

The egg white turns blue.

The shell cracks.

The egg becomes completely solid.

The yolk remains runny.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a soft boiled egg?

An egg boiled for over 20 minutes.

An egg boiled until the shell cracks.

An egg with a completely solid yolk.

An egg with a runny yolk.