Biology 20-1 Gizmo Growing Plants Lab Mod 3 - Stephanie.pdf...

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Name: Stephanie Date: Student Exploration: Growing Plants Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: compost, fertilizer, mass, seed, soil, variable Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What do you think plants need to grow and stay healthy?
2. Soil is a combination of tiny rock fragments and decayed plant materials. How do you think soil helps a plant?
Gizmo Warm-up: Grow the Biggest Plant! 1. In the Gizmo set up the three pots however you like: Choose a seed to drag into each pot. Click on the light bulbs to turn them on or off. Drag the Water slider up or down to set the amount of water each plant will get. If you like, drag fertilizer or compost into a pot. When the pots are ready, click Play ( ) and wait for the simulation to end. 2. How tall was your tallest plant?
3. Click Reset ( ) and Clear pots . Run a few more trials to grow the tallest plants you can. What conditions led to the tallest plant?
The tallest plant I can grow is 65.0cm and it is at the conditions of using the bean seed, using two lights, a daily water intake of 80mL and with the use of fertilizer. Activity A: Get the Gizmo ready: Wet and dry Click Reset . Click Clear pots . Question: Do seeds need water to grow? 1. Form hypothesis: Do you think seeds need water to start growing? Explain why or why not.
2. Set up Gizmo: In the Gizmo, set up the three pots like this:
3. Experiment: Click Play to start. When the simulation is done, observe the plants. 4. Collect data: Fill in the data table below with the height and mass of each plant on day 50. (The mass of a plant is the amount of matter in the plant. It is related to how heavy it is.) In the last column describe what each plant looks like.

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