Higher Chemistry by Dennis Garvie

By Dennis Garvie

Show description

Read or Download Higher Chemistry PDF

Similar science studies books

States of Matter

During this enlightening and hugely profitable hardcover textual content, David L. Goodstein, Professor of Physics and utilized Physics on the California Institute of know-how, bargains critical scholars a far wanted "overview of the examine of topic, and a sense for these recommendations which are utilized with roughly good fortune in all of the a number of fields" of technology.

The Out of the Woods Collection

This assortment positive aspects yarns from elsebeth lavold's dressmaker line. the designs are encouraged through buildings and styles present in nature. there are nearly sixteen designs for males, ladies and youngsters. either sweaters and components are integrated.

What Is Germ Theory?

French chemist Louis Pasteur made a number of major contributions to the realm of technological know-how. This ebook examines how Pasteur exposed the foundation of the trendy germ conception. It is helping readers learn the way Pasteur's thought helped him boost vaccines for anthrax, rabies, and different illnesses and the way his paintings maintains to persuade glossy drugs.

Additional info for Higher Chemistry

Example text

Pharynx—A tube that connects the nose and mouth to the larynx. It is sometimes called the throat. phlegm—Mucus produced in the lungs. protein—A molecule that speeds up chemical reactions, repairs damaged cells, and builds new bones, teeth, hair, muscles, and skin. respiratory system—The group of body organs that takes in oxygen and gets rid of carbon dioxide. rib—One of the bones that supports the front of the chest. rumen—The first stomach chamber a ruminant’s food enters. ruminant— A large, plant-eating mammal with a four-chambered stomach.

That’s why ruminants are the world’s best belchers. Methane is one of the gases that causes global warming. Scientists are looking for ways to decrease the amount of gases that cows and sheep belch into the air. The classroom is quiet, and everyone is hard at work. Suddenly, you hear a loud, rumbling sound. Everyone stops what they’re doing and looks around. You look around, too, even though you know exactly where the noise came from—your stomach. You felt it tumble and quake. mbling u r a d e ll a c reeks G t n ie c n a reate a c e h o t t t g a in h y w r t Know y were e h T i.

Animals inhale air, use the oxygen in it, and release the carbon dioxide. Plants use that carbon dioxide— along with water and energy from the sun—to make food. And guess what they give off—that’s right, oxygen. How perfect is that? In 2002 a scientist named Lynn Margulis accidentally dropped and broke a piece of amber, or fossilized tree resin, with a 20-millionyear-old termite inside. Oops! Luckily, Margulis turned a mistake into an opportunity. She drilled into tiny bubbles near the termite’s body and tested the gases inside.

Download PDF sample

Rated 4.83 of 5 – based on 31 votes