Plants in the shade are shorter than plants in the sun. If the amount of sunlight is increased, then plant growth will increase . ... The hypothesis that plant growth increases as the amount of sunlight increases was supported by the data.
How does light affect plant growth experiment results?
Plants in the shade are shorter than plants in the sun. Sunlight is related to plant growth. If the amount of sunlight is increased, then plant growth will increase . The hypothesis that plant growth increases as the amount of sunlight increases was supported by the data.
How does sunlight affect photosynthesis experiment?
When the light intensity is increased, the rate of bubble production should increase. ... In this experiment, the light intensity is changed, by decreasing the light intensity . The rate of photosynthesis should decrease and therefore the amount of oxygen bubbles should decrease.
How does the amount of light affect the growth of a plant controlled variable?
Plants in the shade are shorter than plants in the sun. Sunlight is related to plant growth. If the amount of sunlight is increased, then plant growth will increase . The hypothesis that plant growth increases as the amount of sunlight increases was supported by the data.
What is the independent variable in a plant growth experiment?
In the plant experiment shown in the Figure below, the dependent variable is plant growth. The variable that affects the dependent variable is called the independent variable. In the plant experiment, the independent variable could be fertilizer —some plants will get fertilizer, others will not.
Do plants grow better in light or dark experiment?
ANSWER: In a strict sense, plants do not grow faster in the dark ; they grow slower. However, plants seem to grow faster in insufficient light due to rapid cell elongation. ... In conditions of total darkness, plant cells will generally expand upward, a process called geotropism.
Can plants grow without sunlight and or water?
For plants to grow and survive, they need sunlight and water. Water is collected through the roots of the plant and absorbed from the soil. Sunlight is collected through the leaves of the plant to use in the process of photosynthesis to make food. Plants cannot live without sunlight and water .
How do different lights affect plant growth?
Light intensity influences the manufacture of plant food, stem length, leaf color and flowering . Generally speaking, plants grown in low light tend to be spindly with light green leaves. A similar plant grown in very bright light tends to be shorter, better branches, and have larger, dark green leaves.
What color light affects plant growth the most?
Red & blue light are most effective for plant growth, while yellow & green have minimal effect. UV light can damage plants, causing leaves to burn. Growers often use supplemental light to optimize plant growth.
What is the relationship between plants and sunlight?
Plants rely on the energy in sunlight to produce the nutrients they need . But sometimes they absorb more energy than they can use, and that excess can damage critical proteins. To protect themselves, they convert the excess energy into heat and send it back out.
What is the independent variable in an experiment example?
It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age.
What is a control variable and independent and dependent?
Independent variable – the variable that is altered during a scientific experiment. Dependent variable – the variable being tested or measured during a scientific experiment. Controlled variable – a variable that is kept the same during a scientific experiment.
What is the dependent variable in photosynthesis experiment?
Dependant variable – the number of oxygen bubbles given off (the rate of photosynthesis) . Controlled variables
Do plants grow faster at night?
Most plants grow faster in the evening and at night than they do during the day. ... In recent years, research on circadian rhythms in plants has shown that the night-time growth spurts of plants is under control of the plants biological clock.
Do seeds Grow Faster in light or dark?
(Explanation: seeds store a lot of chemical energy in the form of fats and proteins that can be used to grow in the dark . Once this stored chemical energy is exhausted, the plant requires light to grow taller.)
What happens if you overfeed plants?
Over fertilization can actually decrease growth and leave plants weak and vulnerable to pests and diseases . It can also lead to the ultimate demise of the plant. Signs of over fertilization include stunted growth, burned or dried leaf margins, wilting and collapse or death of plants.
