Why are fall leaf colors different every year?
By: Tami Port MS
Every fall, tourists, and those lucky enough to live in northern temperate climates, look forward to the brilliant color show promised before the deciduous trees (those that drop their leaves annually) close shop for winter. Deciduous leaves change color due to decreasing day length and...
Why do trees lose their leaves in fall?
By: Tami Port MS
Unlike herbaceous plants, deciduous trees stand tall all winter, minus some important accessories-leaves. What trigger causes leaves to fall in the autumn? To understand why leaves fall off, it helps to first understand what the job of a leaf actually is. * Leaves Are Plant...
By: Tami Port MS
A compound light microscope is a scientific tool typically used to look at very small living things, such as stained plant and animal cells, and even minute bacteria. This type of scope has a built in light source and two sets of lenses. * The...
Why do leaves change color in fall?
By: Pat Kriener
Why do leaves change color in fall? Have you ever wondered why leaves change color in the fall? Different cultures have answered this question in their own way. One folktale is that Jack Frost leaves beautiful patterns on the autumn leaves to mark his passing...
Life cycle of a flowering plant
By: James Johnson
Plants are amazing organism and are ultimately responsible for all major life forms on the planet. Without plants, there would be little breathable oxygen and no food for animal life. Even the creatures that live in the depths of the ocean where no plants grow...
The diet of a cheetah
By: L.S. Watts
Cheetahs are one of the predators at the top of the food chain in their environment. With their lightning fast speed and precise hunting skills, not much is safe in the grasslands of Africa. Being on the endangered list, humans are the biggest threat to...
The diet of kangaroos
By: L.S. Watts
The diet of a kangaroo varies depending upon what type of kangaroo it is. There are many types of kangaroos but the two main types are terrestrial kangaroos and tree kangaroos. Although they have similarities such as large stomachs which contain a type of bacteria...
Overview: Food science & technology
By: Sarah Lensen
Half a Cup of Liquid Nitrogen, Please Excuse me, young man, an elderly lady asks the grocer, you don't happen to know what aisle the liquid nitrogen would be, do you? I want to spice up and give a new kick to my meatloaf...
By: Sammy Stein
Flowers serve one purpose for the plant and that is to attract a pollinator. They may be scented, offer sweet nectar but it is attracting the pollinator- be it bat, moth, bee or other insect or even wind or water, which is their aim. Pollen...
By: Sammy Stein
Leaves are the chemical factories of the leaf, converting sunlight energy through a series of cycles and chemical reactions, combined with atoms from water and carbon dioxide molecules, to re-arrange them into simple sugars. These are the basic building blocks for any number of fats...

 

1 185 186 187 188 189 371