Lesson 22 of 84 ยท Organisms
Experimentโญ 30 XPFrom Tadpole to Frog
Organisms.
๐ฏ Your mission
Run the experiment. Find out what really happens.
โก The twist
Nature loves to surprise the careful watcher.
Mind = Blown
๐ฌ The more you look, the more nature shows you.
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
Look at the vocabulary words and write a definition for each in your own words.
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.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3Which is NOT a characteristic of all living things?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week โ even a tiny one.
For the dinner table
โWhat's the most surprising thing you learned today?โ
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on Organisms for 4th Grade
Get the full Organisms track as a printable PDF โ all lessons, worksheets, and answer keys.
