Hi, our class made biospheres in science and now I will show you my biosphere and the recipe.

Recipe:

1. Aquarium gravel (4 cm) from Walmart’s pet aisle.
2. Activated charcoal (2 tbsp) from Mr.Ray
3. Coffee filter from my kitchen / Meirav (mine flew away)
4. Dirt from the soccer field (6 cm)
5. Two large rocks from the forbidden hideout
6. Three sticks from the forbidden hideout
7. Around 10 worms and some ants
8. A little bit of grass (I forgot to add plants I did this as we were going inside)

Here is my video….