Bonsai Humidity Tray & Organic Fertilizer Science Kit – Explore Humidity & Plant Nutrition, with Curriculum & Worksheets
📚 Teach it as a set
These kits pair well for a longer unit. Each one comes with its own curriculum & worksheets.
Grade band matches your selection above.
Give a bonsai what it needs to thrive! Kids set up a humidity tray under their bonsai, feed it with organic fertilizer, and learn the science behind both.
What's in the box
- A 10 x 8 inch bonsai humidity tray, to place under your bonsai
- A 1-year bag of organic fertilizer
Bonsai tree not included.
What kids will learn
Grades K–5
- What evaporation is, and how water moves from a tray into the air
- Why plants need food from the soil as well as water and light
- How to care for a plant on a regular schedule
- How to observe and record a plant's health in a journal
Grades 6–12
- Humidity and transpiration: how moist air around leaves reduces water loss
- Plant nutrients: what nitrogen, phosphorus and potassium do for a plant
- Organic versus synthetic fertilizers and how nutrients become available to roots
- Designing a simple experiment to measure evaporation from a humidity tray
Curriculum & worksheets included
Every kit comes with curriculum and worksheets for your grade band, emailed to you after purchase.
Join the community
Every kit comes with an invitation to our Facebook group, Aardvark's Seed Planting For Little Hands, where kids and parents can get support with anything they need.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at aleksandr.gordon@gmail.com.
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at aleksandr.gordon@gmail.com.
Bonsai Humidity Tray & Organic Fertilizer Science Kit – Explore Humidity & Plant Nutrition, with Curriculum & Worksheets
Look inside this kit's curriculum
Inside the Bonsai Humidity Tray & Fertilizer guide
A printable unit written for this kit, with grade-banded lessons, standards connections, worksheets and an answer key. Emailed after purchase.
- 24printable pages
- 10lessons, 2 grade bands
- 6worksheets
- Keyanswer key & rubric
K–5: five 30–45 min sessions plus weekly journal time. 6–12: lessons of 45–60 min plus 5–10 min data checks.
- Where does the water go?NGSS 2-PS1-1
- A tray for my plantNGSS 2-LS2-1
- Food from the soilNGSS 5-LS1-1NGSS 2-LS2-1
- Caring on a scheduleNGSS 3-LS1-1
- Watching my plantNGSS 5-LS1-1NGSS 5-ESS2-1
- Humidity and transpirationNGSS MS-LS1-5NGSS MS-LS1-6
- Measuring evaporationNGSS MS-PS1-4NGSS HS-LS1-5
- Plant nutrientsNGSS MS-LS2-3NGSS HS-LS1-6
- Organic vs. synthetic fertilizersNGSS MS-LS2-3NGSS HS-LS1-6
- Analysis and lab reportNGSS HS-LS1-5NGSS MS-LS1-5
Also inside: First-weeks plan, Family challenge, Plant doctor, Care chart, Certificate, plus answer key, vocabulary check and lab rubric.
