3. Dino saw a fly was caught in a spider web. He asks "How many insects can be trapped in a single spider web?" 4. Jose asked his classmates to know their favorite canteen food. 5. Joy used three ink colors to test which absorbs more heat. 6. Mark read journals about anatomy of plants. He wanted to know how plants can grow even without soil. 7. Dustin said "If I use rock salt over iodized salt, dried fish would last longer" 8. The data obtained by Francis showed that 10 ml of bleach and 900 ml of water is the best ratio for disinfecting households. 9. Nicole grew bacteria obtained from foot in three Petri dishes. She placed 1ml of different alcohol brands in every dish. 10. Keith's experiment showed that Styrofoam dissolved in gasoline can be used as an alternative roof sealant.

6.Using a growing method called "hydroponics," you can grow plants in a watery solution of mineral nutrients instead of soil. ... If you can add these necessary mineral nutrients into a plant's water supply, you no longer need soil for the plant to grow. Just about any plant can be grown with hydroponics.

7.true

8.true

9.true

10.true

Explanation:

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