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Why does a leaf turn black when its surface is covered with black paper?
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How do you make a shrinking machine in real life?
First you need root beer trust me this is not a prank the root beer with the bulldog on it. Next you need 3 rubber bands 2 paper clips 6 pices of paper about 9inches big next you need 13 Red ants and 6 black ants and a four leaf clover. What are you kidding me a shrink ray The four leaf clover is for luck that will never happen!
A leaf falls from a tree Compare its kinetic energy K to its potential energy U?
The Kinetic energy (K) is at the least when the leaf is still attached to the tree; it's Potential energy (U) is at its greatest. As the leaf falls, its K increases as its U decreases. This continues to happen until the leaf can no longer move. This will happen when something like the Earth (a large object with much more mass and much more energy) pushes against it. The Earth has more energy so the leaf comes to a stop on its surface.
How is an image made and magnified with a microscope?
a droplet of water, on a leaf for example, will magnify the view of the leaf. A very light spray of water on the surface of your TV/monitor will reveal the colour phosphors. VERY LIGHT SPRAY! This process is caused by refraction of the light waves. In a light microscope this process is replicated by glass lenses.
Do things fall at the same rate?
Not necessarily. It depends on their rate of friction, which impacts how fast they will accelerate downwards. This is why a golf ball or tennis ball will fall faster than a leaf or a piece of paper.
What will hit the ground first a leaf or a feather?
leaf
What happens to a leaf of a plant if it is covered with a black piece of paper and kept in the sun for 3 -4 days?
If the leaf is covered by black piece of paper on both top and bottom. It should turn yellow after a week, reason behind this is that chlorophyll will no longer have access to sunlight.
What will happen to young leaf covered with carbon paper for one week?
the sides of the leaf will wither. because of the lack of sunlight
What leaf cells are covered in wax?
The epidermises, the outer layers of the leaf, are covered in a wax-like layer.
How does vaseline on the lower surfaces of the leaves affect them?
A leaf covered with vaseline on the lower surface wont have any affect as the stomata are being covered with the vaseline but if it were on the upper surface it would shrivel because When a leaf is loosing a lot of water vapor , it exposes the least amount of surface area to evaporation so it shrivels.
Why does water roll off the surface of a leaf?
because the leaf is non polar or Because the leaf is coated in lipid molecules
Is banana plant with smooth leaf surface or rough leaf surface?
good
How do you test a leaf of starch?
The test of starch by covering the black paper and keeping it into a light place at few hours.
What is cobalt chloride paper and what it is used for?
Cobalt chloride paper is used to study rate of transpiration through the upper and lower surface of leaf.The upper surface of leaf has less number of stomata so more time will be taken to change from blue to pink by cobalt chloride paper; while the lower surface of leaf has more number of stomata so less time will be taken to change from blue to pink by cobalt chloride paper. This is because the fact that the transpiration rate is higher when stomata are more in number and vice versa.
What is la hoja in english?
"the leaf" such as a leaf of paper a leaf of a tree...
Can worms compost construction or loose leaf paper?
yes they help compost the loose leaf paper. the loose leaf paper takes 2 to 3 weeks to compost
How do you determine Surface area of leaf without using any instrument?
Here's what you do... take a graph paper.. the 1mm x 1mm graduated. trace the leaf on the graph paper. remove the leaf. then count the whole squares occupied by the leaf. write down the number. count the half 3/4th filled squares and write the number down. count the number of half filled squares and divide the number by two and write it down. leave out 1/4th filled squares. add the numbers you have written down. the number you get is the surface area of one side of leaf. doubling it will give you the surface area of the entire leaf in sq cm
What side of a leaf are stomata located?
The lower surface of the leaf has the stomata. You can see the reason for this if you cut a leaf in half from upper side to lower side. The upper portion of the leaf consists of tightly packed cells that are full of chloroplasts for taking in light. The lower half of the leaf is made up of loosely arranged cells. This allows room for air to enter the lower part of the leaf through the stomata and contribute carbon dioxide and take away oxygen. The upper surface of the leaf is covered by the cuticle which prevents dehydration, as such the stomata cannot be located or function on the upper surface
