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Lesson 42 of 84 · Matter

Experiment30 XP🧪 Potion Kitchen

Reversible or Not? (Part 2)

🧪Lab Brief #42

Reversible or Not? (Part 2).

🎯 Your mission

Run the experiment. Find out what really happens.

⚡ The twist

Color changes mean atoms are rearranging — even if you can't see them.

🤯

Mind = Blown

🌈 Every color you see is your brain inventing a translation of light frequencies.

🔮

Make a hypothesis first

Before you mix: what color do you think it'll turn?

What You'll Learn

Some changes can be reversed (melting ice) and some cannot (baking a cake).

Key Words

Tap a word to see its definition.

Materials Needed

  • strainer
  • ice cubes
  • salt
  • sugar

Safety First

  • Do not mix unknown chemicals together.

Steps

Step 1Read

Look at the new words. Can you say each one?

Step 2Do

Put an ice cube on a plate and watch it for 10 minutes. Draw what it looks like every 2 minutes.

Step 3Observe

Use your senses to describe what you notice.

Step 4Record

Write 1-2 sentences about what happened.

Check Your Understanding

Question 1

1 of 3

What happens when you mix baking soda and vinegar?

🌍

Where you see this in real life

This is happening in your kitchen right now — every time food cooks.

🏆

Stretch Challenge

Try this in real life this week.

Find one ingredient in a snack and look up what it does.

👨‍👩‍👧

For the dinner table

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

🎯

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

🧪Share card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

🖨️

Checkout complete lesson on Matter for 2nd Grade

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Reversible or Not? (Part 2) — Matter | 2nd Grade Science | LittleActivity