Category: Light and plant growth virtual lab answer key

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Investigating Plant Growth

Students test how light affects plant growth. Materials list, advance preparation instructions, lab hints and tips, safety notes, rubric, worksheets, and answer key are provided. Scott Foresman, an imprint of Pearson. Plants and Botany. Manage My Favorites. Scott Foresman, an imprint of Pearson Provided by Scott Foresmanan imprint of Pearsonthe world's leading elementary educational publisher.

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Plant Growth: Auxins and Gibberellins - Plants - Biology - FuseSchool

Request access. In this worksheet, students will investigate what affects how plants grow, looking at several factors and how they might be changed. Difficulty level:. Why do you think Mrs. Bates is giving each student in her class a plant to test? Wouldn't it be just as good to have just one plant to investigate? First Mrs. Bates shows her class how to measure the growth of a plant by measuring its height each day.

Which of these pictures do you think represents the best way of measuring the plant so that the students can discover whether it's growing?

Bates divides her students up into groups who will be investigating whether leaveswater and warmth are important to growth. In the group investigating whether leaves are important to a plant's growth, half the students cut all the leaves off their plant while the other half are instructed to leave their plant as it is.

The group studying the effect of water on the growth of plants were also divided into two groups. The classroom was also very bright. How long do you think Mrs.

Bates should allow her students to carry on their investigation for in order to get some useful results? At the end of the investigation Mrs. Bates asked each student to calculate how much their plant had grown.

She then pooled their results on the board and worked out an average. From what you worked out, which factor do you think had the greatest effect upon how well the plants grew?

By cutting off all the leaves, which important requirement are the students preventing the plant from absorbing? We're here to help your child succeed. Track progress, measure results and access thousands of online tutorial worksheets in Maths, English and Science with an EdPlace subscription.Post a Comment. Monday, October 19, Photosynthesis Virtual Labs.

Photosynthesis Virtual Labs. Analysis Questions. Make a hypothesis about which color in the visible spectrum causes the most plant growth and which color in the visible spectrum causes the least plant growth? If blue light makes plants grow fast and green light will make the plant grow slowly, then blue light will result in the most plant growth while red light will result in the least plant growth.

How did you test your hypothesis? Which variables did you control in your experiment and which variable did you change in order to compare your growth results? I tested my hypothesis by going to a plant simulator and putting three types of plants under different colors of light. They grew for 30 days.

At the end, I measured the height of the plants and averaged them. I controlled the plant type, pot type, growing area, and growing period 30 days.

I changed the light color to obtain different growth results. Filter Color. Spinach Avg. Height cm. Radish Avg. Lettuce Avg. Analyze the results of your experiment. Did your data support your hypothesis? If you conducted tests with more than one type of seed, explain any differences or similarities you found among types of seeds. My data supported my hypothesis because in all three types of seed, green light resulted in the shortest plants and blue light resulted in the tallest plants.

What conclusions can you draw about which color in the visible spectrum causes the most plant growth? I can conclude that blue light in the color spectrum results in the most plant growth. Given that white light contains all colors of the spectrum, what growth results would you expect under white light?

I would expect growth results similar to pure orange light. This simulation allows you to manipulate many variables. You already observed how light colors will affect the growth of a plant, in this simulation you can directly measure the rate of photosynthesis by counting the number of bubbles of oxygen that are released.Describe the process of transpiration in vascular plants. Transpiration is the process in which vascular plants gain nutrients and lose water.

What environmental factors that you tested increased the rate of transpiration? Was the rate of transpiration increased for all plants tested? Environmental factors that increased the rate of transpiration included temperature, heat, wind, and light.

All plant's transpiration were increased. Did any of the environmental factors increase the transpiration rate more than the others? Wind increased the rate of transpiration the most while Heat and Light followed suit in that order. Wind increased the transpiration rate the most because it is the most effective in blowing water molecules off the plant. Which species of plant that you tested had the highest transpiration rates?

Why do you think different species of plants transpire at different rates? The arrowhead had the highest transpiration rates. This is probably due to the leaves being the largest out of all of them so that means that its stomata can open up bigger and allow water to evaporate faster compared to the others. Suppose you coated the leaves of a plant with petroleum jelly. How would the plant's rate of transpiration be affected?

The rate of transpiration would be slowed due to the jelly preventing the water from evaporating. Of what value to a plant is the ability to lose water through transpiration? Losing water through transpiration allows the plants to draw more water from the roots which equals to more nutrients being drawn up. Quick's Honor Biology Search this site. House Case. Lab 1 : Diffusion and Osmosis Lab. Lab 2 : pGLO Lab. Lab 3 : Cell Respiration Lab.

Lab 4 : Animal Behavior Lab. Lab 5 : Predator vs. Lab 6 : Transpiration Lab.This was awesome. Thank you very much for your research and insight. My son had to do a very similar exercise and i had him do it all on his own while checking against your blog. Keep on posting you are doing a great job! Monday, October 19, Photosynthesis Virtual Labs. Photosynthesis Virtual Labs. Analysis Questions. Make a hypothesis about which color in the visible spectrum causes the most plant growth and which color in the visible spectrum causes the least plant growth?

If the color in the visible spectrum is red or blue, then the plant will grow the most. How did you test your hypothesis? Which variables did you control in your experiment and which variable did you change in order to compare your growth results? I tested my hypothesis by planting the same seed in different lights for 30 days. The variable I controlled in my experiment is the type of plant and the variable I changed in order to compare my growth results are the different color of lights that I changed.

Filter Color. Spinach Avg.

light and plant growth virtual lab answer key

Height cm. Raddish Avg. Lettuce Avg. Analyze the results of your experiment. Did your data support your hypothesis? If you conducted tests with more than one type of seed, explain any differences or similarities you found among types of seeds. Yes, my data did support my hypothesis because I predicted that the red and blue light would stimulate the most growth in plants and in the end the plants that grew the most was under the red and blue light.

Light Spectrum And Plant Growth Lab

The average for the red light is 13 cm and the average for the blue light is 14 cm. What conclusions can you draw about which color in the visible spectrum causes the most plant growth?

light and plant growth virtual lab answer key

I can come to the conclusion that the color blue in the visible spectrum causes the most plant growth. Given that white light contains all colors of the spectrum, what growth results would you expect under white light?Post a Comment.

Monday, October 19, Photosynthesis Virtual Lab. Analysis Questions. Make a hypothesis about which color in the visible spectrum causes the most plant growth and which color in the visible spectrum causes the least plant growth? If red and blue are absorbed more by the plant then red and blue will be the most effective and green will cause the least plant growth.

How did you test your hypothesis? Which variables did you control in your experiment and which variable did you change in order to compare your growth results? I tested all of the colors on the different plants and got the average growth.

light and plant growth virtual lab answer key

They had the same amount of days to grow but the light were different. Filter Color. Spinach Avg. Height cm. Raddish Avg. Lettuce Avg. Analyze the results of your experiment. Did your data support your hypothesis? If you conducted tests with more than one type of seed, explain any differences or similarities you found among types of seeds. My data did support our data because i said that blue and red light would cause the most plant growth and it did, and the green did the least plant growth which i thought.

What conclusions can you draw about which color in the visible spectrum causes the most plant growth? That blue and red are absorbed more by the plant which causes the plant to grow more. Given that white light contains all colors of the spectrum, what growth results would you expect under white light?

I would expect that the plant would grow fast because it has both blue and red light which causes the plant to grow more. This simulation allows you to manipulate many variables. You already observed how light colors will affect the growth of a plant, in this simulation you can directly measure the rate of photosynthesis by counting the number of bubbles of oxygen that are released.

There are 3 other potential variables you could test with this simulation: amount of carbon dioxide, light intensity, and temperature. Choose one variable and design and experiment that would test how this factor affects the rate of photosynthesis. Remember, that when designing an experiment, you need to keep all variables constant except the one you are testing.

Collect data and write a lab report of your findings that includes:. Experimental parameters in other words, what is the dependent variable, independent variable, and control? Data table. Conclusion Just 1st and 3rd paragraphs since there's no way to make errors in a virtual lab.Make a hypothesis about which color in the visible spectrum causes the most plant growth and which causes the least plant growth. Collect data by changing the color of light.

Test each type of plant and use the ruler to measure the height. Take an average for each plant at each color. Your answer should be in a complete sentence.

This simulation allows you to manipulate many variables.

Investigating Plant Growth

You already observed how light colors will affect the growth of a plant, in this simulation you can directly measure the rate of photosynthesis by counting the number of bubbles of oxygen that are released. Propose hypotheses on how each of these variables effect the production of oxygen from a plant. Procedure: The purple slider can be used to change the light levels. You will count the number of bubbles at each level.

The timer in the square box can be used to measure 30 seconds. Procedure: Set the light to its highest intensity Adjust the CO2 levels by clicking on the bottle. Use Question 1A to help you write this. It will look similar. Create a data table use the ones above to help you and input values for at least 3 Temperatures.


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