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How Much Does Nuclear Energy Cost?
Fifteen percent of the world's electricity comes from nuclear power, with some countries, such as France and Japan, being heavily dependent upon...
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Why Does Nuclear Fusion Only Occur in the Core of the Sun?
The nuclear reactions at the sun's core are self-perpetuating. Despite the sun being about 4.5 billion years old, it is still producing...
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Differences Between Chemical & Nuclear Reactions
Molecules are made up of different arrangements of atoms. There are 118 types of atoms, or elements, which are made of three...
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How Do Cars Run on Chemical Reactions?
Cars provide us with a means of travelling great distances at great speeds with very little work. But you can't get something...
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Where Does Nuclear Energy Come From?
Nuclear energy comes from a chain reaction involving uranium, plutonium and fissile where neutrons collide and produce millions of small reactions that...
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How is the Sun Nuclear Energy?
Virtually all life on Earth is sustained by energy from sunlight. This energy is transmitted from sun to Earth in the form...
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How Does Nuclear Energy Work?
Nuclear energy is produced from either uranium or plutonium through a process called fission. Find out how nuclear reactors are used to...
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Why Chemical Reactions Occur
A chemical reaction occurs when one or more substances changes to produce one or more different substances. The key: For reaction to...
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How Is Nuclear Energy Produced?
High oil prices and concern over global warming have renewed interest in nuclear energy, which, as a means of generating commercial electricity,...
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What Makes Chemical Reactions Occur More Quickly?
Chemists sometimes need to increase chemical reaction rates to finish an experiment within a certain amount of time. Reaction rate increases are...
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How Is Nuclear Energy Harmful?
Nuclear energy is one of the leading sources of power in the United States, but along with all of the benefits that...
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How Does the Sun Work?
The sun is a star, which is a ball of burning gas that stays as it is through thermonuclear reactions. Learn about...
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Where Does Photosynthesis Occur?
Photosynthesis occurs in all green plants, as carbon oxide and water are converted into sugars and oxygen through the chemical catalyst called...
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About Nuclear Fission
When an atom is spit this is called nuclear fission. Fission happens naturally but can also be produced under controlled situations. When...
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How to Turn Nuclear Energy into Electricity
Nuclear energy has been used to produce electricity since the 1950s. Today there are 104 nuclear power plants in the United States...
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Where Does Chemical Digestion Occur?
Chemical digestion occurs when acids, enzymes and other secretions break down the food we eat into nutrients. Chemical digestion starts in the...
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Why Does Vinegar Affect Limestone?
One of the most common, simple and fun science experiments involves limestone and vinegar. When limestone is introduced to vinegar, a chemical...
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Nuclear Chemistry Tutorial
Appreciating nuclear chemistry requires accounting for particles emitted, exposure danger and practical application examples. The field is based on unstable nuclei ...
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What Role Does Chlorophyll Play in Photosynthesis?
Chlorophyll is the green pigment found most plentiful inside the leaves of plants. It is located within chloroplasts, where photosynthesis takes place.
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When Does the Equinox Occur?
The equinox occurs twice a year when the sun is directly above the equator. At this point the hours of darkness and...
