Back

Facts for Kids

Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom.

Overview

Types Of Yeast

What Is Yeast

Yeast In Baking

Yeast In Fermentation

The Life Cycle Of Yeast

Health Benefits Of Yeast

Uses Of Yeast In Industry

Yeast In Scientific Research

The Role Of Yeast In Ecosystems

main image

Inside this Article

Saccharomyces Cerevisiae

Carbon Dioxide

Microorganism

Fermentation

Maple Syrup

Atmosphere

Pollution

Digestion

Did you know?

๐Ÿฆ  Yeasts are tiny living things that are so small you can't see them without a microscope!

๐ŸŒ There are over 1,500 different kinds of yeast found in places like soil, plants, and the air!

๐Ÿž Yeast is super important for baking bread and fermenting drinks like beer!

๐ŸŒฑ Yeasts are single-celled organisms, meaning they consist of just one cell!

๐ŸŽ‰ The most famous type of yeast is called Saccharomyces cerevisiae, used in baking and brewing.

๐Ÿ‡ Yeasts love warm and sugary environments, like the skins of fruits such as grapes and apples!

๐ŸŒ™ Yeast can double its number in just 90 minutes under the right conditions!

๐Ÿพ During fermentation, yeast eats sugar and turns it into alcohol and carbon dioxide!

๐Ÿช„ When baking, yeast helps dough rise by producing carbon dioxide gas, making bread fluffy!

๐ŸŒฟ Yeast is beneficial not only in food and drinks but also in making biofuels and medicines!

Introduction

Yeast is a tiny creature so small you can't see it without a microscope! ๐Ÿฆ 

It belongs to the fungus kingdom, which means itโ€™s related to mushrooms and mold. Yeasts are single-celled organisms, and there are over 1,500 different kinds! ๐ŸŒ

You can find yeast in places like the soil, on plants, and even in the air! Yeast is super important because it helps us with both baking bread and fermenting drinks like beer. ๐Ÿž๐Ÿบ Without yeast, many tasty foods wouldnโ€™t exist! Letโ€™s explore more about this amazing little microorganism!
Read Less

Types Of Yeast

There are many types of yeast, but the most famous one is Saccharomyces cerevisiae. ๐ŸŽ‰

This type is used in baking and brewing. Other yeasts, like Candia tropicalis and Kluyveromyces marxianus, also have special jobs in foods and drinks! ๐Ÿถ

Yeasts can be found in different colors too, like white, brown, and pink! There are wild yeasts that grow naturally, and scientists can also create special ones in labs! ๐Ÿงช

Each kind of yeast has a different flavor and smell. Some make food really delicious!
Read Less

What Is Yeast?

Yeast are tiny living things that we call microorganisms. ๐ŸŒฑ

They are made up of just one cell, which means theyโ€™re unicellular! Yeasts love warm and sugary environments, so they can often be found in the skins of fruits like grapes and apples. ๐Ÿ๐Ÿ‡ They help to break down sugars into useful substances. Did you know that yeast can grow in sweet things, like honey and maple syrup? ๐ŸŒฒ

In fact, some yeasts can reproduce by budding, where a new cell grows off the old one, like a small doughnut! ๐Ÿฉ

Read Less

Yeast In Baking

When we bake bread, yeast is like a little magician! ๐Ÿช„

When the baker mixes yeast with flour and sugar, the yeast begins to eat the sugar and produce carbon dioxide gas. This gas makes bubbles in the dough, which causes it to rise and become fluffy! ๐Ÿž

The more we let the dough rise, the bigger and airier the bread becomes! This process is called proofing! ๐ŸŒพ

Once itโ€™s baked, the heat kills the yeast, and the bread is left with a yummy texture! Imagine a soft piece of bread that puffs up in the oven!
Read Less

Yeast In Fermentation

Fermentation is when yeast eats sugar and turns it into alcohol and carbon dioxide! ๐Ÿพ

This process helps create yummy foods and drinks! ๐Ÿท

For example, when brewing beer, yeast ferments the sugars in grains. ๐Ÿฅ–

In winemaking, wild yeasts transform grape juice into wine. ๐Ÿท

And did you know that fizzy drinks get their bubbles from yeast fermentation too? ๐Ÿฅค

Without yeast, thereโ€™d be no beer, wine, or even some deliciously bubbly sodas to drink!
Read Less

The Life Cycle Of Yeast

Yeast has a special life cycle! ๐ŸŒ™

They start as small, single cells. When conditions are just right, they eat sugars and grow. Then, they reproduce! They can create more yeast cells by simple budding or by spores. ๐ŸŒฑ

Under good conditionsโ€”like warmth and moistureโ€”yeast can double its number in just 90 minutes! Incredible, right? ๐Ÿ˜ฒ

However, when it gets too cold or dry, the yeast may stop growing and go dormant, waiting for better times to wake up and grow again!
Read Less

Health Benefits Of Yeast

Yeast isn't just tasty; it's good for us too! ๐ŸŒˆ

Many types of yeast, like nutritional yeast, are packed with vitamins, particularly Vitamin B! ๐Ÿฝ

๏ธ This vitamin helps our bodies make energy and is good for our skin, hair, and nails. ๐Ÿ’…

Eating yeast can also help our tummy by supporting good digestion! ๐ŸŒŸ

It even contains proteins, which are essential for building our muscles! So, next time you enjoy bread or a yummy pizza, remember that yeast is working hard inside to keep us healthy!
Read Less

Uses Of Yeast In Industry

Yeast is super useful in industries! ๐Ÿญ

Not only is it used in food and drinks, but itโ€™s also used to make biofuels. These fuels are made from plant materials, which helps reduce pollution. ๐ŸŒฟ

Yeast can help produce medicines like antibiotics that help us get better when weโ€™re sick! ๐Ÿ’Š

Some companies even grow yeast for animal food! ๐Ÿ”

Since yeast can grow quickly, itโ€™s perfect for producing lots of products and helps feed both people and animals efficiently!
Read Less

Yeast In Scientific Research

Scientists love studying yeast! ๐Ÿงฌ

This is because yeast cells are simple and easy to work with. In fact, they are so helpful that scientists often use them to learn more about other living things, including humans! They study how yeast grows and even how it can be used to treat certain diseases. ๐Ÿ’ก

Some scientists use yeast to test new medicines. This research can help create better treatments! The study of yeast also helps us better understand how all living things work together here on Earth! ๐ŸŒ

Read Less

The Role Of Yeast In Ecosystems

Yeast plays a big role in nature! ๐ŸŒณ

They break down dead plants and create new nutrients for the soil. ๐ŸŒฑ

This helps other plants grow healthy and strong. Additionally, yeast can live in harmony with other organisms. They provide food for insects and are part of the food chain! ๐Ÿ›

When the yeast decomposes materials, it releases carbon dioxide and other gasses back into the atmosphere, helping keep the Earth balanced. ๐ŸŒฌ

๏ธ So, next time you see a flower or a tree, remember that yeast has a hand in its growth!
Read Less

Yeast Quiz

Q1
Question 1 of 10
Next

Frequently Asked Questions

Is DIY back?!
How do I reactivate my account?
How do I sign up?
Are the android and iOS apps coming back?
What is DIY?
What is a โ€œChallengeโ€ on DIY?
What is a โ€œCourseโ€ on DIY?
What are โ€œSkillsโ€ on DIY?
What if I'm new to all thisโ€”where do I begin?
Do I need special materials or equipment?
Is DIY safe for kids?
Can I collaborate with other DIYers on a project?
How do Mentors, Mods, and Jr. Mods help us?
What is DIY?
What's the recommended age for DIY?

Our Mission

To create a safe space for kid creators worldwide!

Download on AppStoreDownload on Google Play

2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraftโ„ข, Mojang, Microsoft, Robloxโ„ข or YouTube. LEGOยฎ is a trademark of the LEGOยฎ Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.