Lesson 58 of 84 ยท Life Cycles
Experimentโญ 30 XP๐ฟ Wild JungleSymbiosis: Living Together (Part 2)
Life Cycles.
๐ฏ Your mission
Predict it first. Then prove yourself right (or wrong).
โก The twist
Living things break the rules of non-living things โ find the rule they break.
Mind = Blown
๐ณ Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
Symbiosis is a close relationship between two different species. In mutualism, both benefit; in parasitism, one benefits while the other is harmed; in commensalism, one benefits and the other is unaffected.
Key Words
- germination
- pollination
Materials Needed
- cotton balls
- zip-lock bags
- labels
- seeds
- soil
Safety First
- Be careful with scissors โ ask an adult for help if needed.
- Do not look directly at the sun or bright lights.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What is symbiosis?
Where you see this in real life
This is why plants grow toward windows and why scabs form.
Stretch Challenge
Try this in real life this week.
Watch a plant or pet for 5 minutes today and write down what you noticed.
For the dinner table
โTell me something you noticed about your own body 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 Life Cycles for 3rd Grade
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