22

Lesson 22 of 84 ยท Organisms

Experimentโญ 30 XP

From Tadpole to Frog

๐ŸงชLab Brief #22

Organisms.

๐ŸŽฏ Your mission

Run the experiment. Find out what really happens.

โšก The twist

Nature loves to surprise the careful watcher.

๐Ÿคฏ

Mind = Blown

๐Ÿ”ฌ The more you look, the more nature shows you.

๐Ÿ”ฎ

Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

Photosynthesis converts light energy into chemical energy stored in glucose. Plants use carbon dioxide from the air and water from the soil, releasing oxygen as a byproduct.

Key Words

  • vertebrate
  • invertebrate
  • species

Materials Needed

  • tape
  • small pots
  • cotton balls
  • zip-lock bags
  • labels
  • seeds

Safety First

  • Do not taste any materials.
  • Wear safety goggles when mixing liquids.

Steps

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

Which is NOT a characteristic of all living things?

๐ŸŒ

Where you see this in real life

This shows up in your everyday life more than you'd think.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week โ€” even a tiny one.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's the most surprising thing you learned today?โ€

๐ŸŽฏ

Next Smart Experiment

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

โšกShare 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 Organisms for 4th Grade

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

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