Lesson 3 of 84 · Matter

Lesson⭐ 30 XP🧪 Potion Kitchen

Mixing Solids and Liquids

🧪Lab Brief #3

Mixing Solids and Liquids.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

Mixing two safe things doesn't always make a safe thing.

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Mind = Blown

💧 Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.

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Make a hypothesis first

Predict: will the mixture get hotter, colder, or stay the same?

What You'll Learn

Mixing things together can make something new. Mixing blue and yellow paint makes green!

Key Words

liquid
gas

Steps

Step 1 — Read

Read the introduction. What is this lesson about?

Step 2 — Do

Mix salt into warm water and cold water. Stir 20 times each. Which dissolves faster?

Step 3 — Observe

Look for something that changed. What is it?

Step 4 — Record

Circle the correct answer on your worksheet.

Check Your Understanding

Question 1

1 of 3

Which is a solid?

How sure are you going to be?😐 maybe

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Where you see this in real life

Your toothpaste, your soap, even your breakfast involves this.

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Stretch Challenge

Try this in real life this week.

Ask a grown-up to help you mix two safe kitchen things. Predict what will happen first.

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For the dinner table

“What's something we cook that mixes things together this way?”

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