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Testing Terrarium Growth: Exploring Plant Health and Filter Effectiveness

In today's lesson, we will evaluate whether landscaping impacts plant growth in terrariums, comparing the development in both setups. We will also investigate the effectiveness of the Biosand and Active Carbon Filters in removing salt from water. By measuring plant height and analyzing water density, we can determine how both filters affect salt concentration. Additionally, we'll explore how water movement in terrariums influences plant accessibility to moisture during simulated rainfall. Join us for a hands-on, scientific approach to understanding these ecosystems!

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Testing Terrarium Growth: Exploring Plant Health and Filter Effectiveness

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  1. LESSON 7 VISUALS 1

  2. Learning What Worked & What Didn’t Today We Will Test: Did the landscaping help? Did the plants grow in both terrariums? Did the Biosand Filter remove the Salt? Did the Active Carbon Filter remove the Salt?

  3. Terrarium Landscaping Does water travel towards your plants when it “rains” in your terrarium? 2

  4. Did Plants Grow in Both Terrariums? • Measure plant height • (salt affects plant growth) 2

  5. Did the Filters Remove the Salt?Let’s use Density • Density: A measure of the number of particles that are packed into a certain space. • It is a measure of the mass packed into a volume. Molecule View Human Eye View

  6. What is Density? • A measure of the number of particles that are packed into a certain space. +Add Particles = Increases Mass & Density of Water Regular Water Regular Water + Salt Added

  7. What Will the Blue Food Coloring Do? Sink or Float? Tube #1 Regular Water + Added 10 mg of Salt Tube #2 Regular Water (no salt)

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