26

Lesson 26 of 84 ยท Matter

Experimentโญ 30 XP๐Ÿงช Potion Kitchen

Shiny, Dull, Rough, and Smooth

๐ŸงชLab Brief #26

Shiny, Dull, Rough, and Smooth.

๐ŸŽฏ Your mission

Predict it first. Then prove yourself right (or wrong).

โšก The twist

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

๐Ÿคฏ

Mind = Blown

๐Ÿ’ง Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.

๐Ÿ”ฎ

Make a hypothesis first

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

What You'll Learn

Air is matter even though you cannot see it. It takes up spaceโ€”blow up a balloon to prove it!

Key Words

  • ice
  • change
  • property

Materials Needed

  • food coloring
  • plastic bottles
  • balloons
  • measuring cups
  • paper towels
  • thermometer

Safety First

  • Wash hands after handling materials.
  • Be careful with scissors โ€” ask an adult for help if needed.

Steps

Step 1 โ€” Read

Read about Matter with a partner or grown-up.

Step 2 โ€” Do

Test 5 objects from your house: put each one in water. Make a chart of which sink and which float.

Step 3 โ€” Observe

Watch carefully. What happens?

Step 4 โ€” Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

Can you separate sand from water?

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.

๐ŸงชShare 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 for 2nd Grade

Get the full Matter 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