75

Lesson 75 of 84 ยท Matter and Atoms

Lessonโญ 30 XP๐Ÿงช Potion Kitchen

Changing States: Evaporation (Part 3)

๐ŸงชLab Brief #75

Matter and Atoms.

๐ŸŽฏ Your mission

Understand the idea. Then look for it everywhere.

โšก The twist

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

๐Ÿคฏ

Mind = Blown

๐ŸŒˆ Every color you see is your brain inventing a translation of light frequencies.

๐Ÿ”ฎ

Make a hypothesis first

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

What You'll Learn

Evaporation happens when liquid particles at the surface gain enough energy to escape into the air as gas. Condensation is the reverseโ€”gas particles slow down and form liquid.

Key Words

  • neutron
  • electron

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

Step 2 โ€” Do

Test 5 household liquids (vinegar, milk, lemon juice, baking soda water, soap) with pH paper. Classify each as acid, base, or neutral.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What happens during evaporation?

๐ŸŒ

Where you see this in real life

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

๐Ÿ†

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.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's something we cook that mixes things together this way?โ€

๐ŸŽฏ

Next Smart Experiment

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

๐Ÿ”ฌShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Matter and Atoms for 7th Grade

Get the full Matter and Atoms track as a printable PDF โ€” all lessons, worksheets, and answer keys.

View in Shop

Your Cart (0)

Your cart is empty

Browse our shop to find activities your kids will love