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Exam (elaborations) Student Exploration Germination

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Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary : controlled experiment, germination, hypothesis, seed, sprout,... variable Prior Knowledge Questions (Do these BEFORE using the Gizmo .) 1. What do you think is needed for a seed grow into a sprout ? This is called germination . 2. In the Gizmo you can test water, light, and heat. Which factors do you think will affect seed germination? Gizmo Warm-up: 100% Germination Challenge In the Germination Gizmo, set up the trays however you like: ● Drag a packet of seeds to each tray. ● Click on the light bulbs to turn them on or off. ● Click on the coils to set the heat level. ● Drag the Daily water slider up or down to adjust the amount of water the seeds get. When you are ready, click Play ( ). How many seeds can you get to sprout? Can you get 20 out of 20 (100%) to sprout? Good luck! 1. After the simulation ends (five “days”), count how many sprouts you have (out of 20) in each tray. What percent sprouted? Fill in your results in the blanks below. ● To find the percent, divide your number of sprouts by 20, and then multiply by 100. ● Hint for mental math: Each seed is 1/20 th , or 5%, of the whole. (1/20 = .05 = 5%) 2. Click Reset ( ) and Clear trays . Try several more tests to see if you can get more seeds to germinate. What conditions made the most seeds sprout? Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved Name: Lillie-Victoria Newberry Date: 1-12-21 I believe water and sun is needed for the seed to grow. I think all of these factors will affect the seed germination. Tray 1: 18 /20 = 90 % Tray 2: 8 /20 = 40 % Tray 3: 15 /20 = 75 % Seed Type: A Daily water: 50 mL Heat: 24 c % sprouted = 90 % [Show More]

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