All living things on Earth must eat something in order to survive. Most plants use photosynthesis...

Approximately 99 percent of all the electricity in Norway comes from hydropower. There are close ...

Did you know that people in small towns often walk where they need to go? They do not need to dri...

The simplest machines are the lever, wheel and axle, pulley, ramp, and screw. The electric motor ...

Florida produces the most citrus fruit of any state in the United States. Besides oranges, the st...

Many governments around the world are encouraging the use of conservation agriculture. Simple tec...

A persuasive paragraph is a group of sentences used to convince someone to believe or do somethin...

Table salt is a type of crystal that people use every day. The smallest crystal in the world is m...

Wedges are used to separate objects. Some types of wedges, such as chisels, have been in use for ...

Different tools can be used to measure length. These include rulers, tape measures, and yardstick...

Did you know that sound is only made when objects vibrate? Vibrating objects create sound waves. ...

The frightful tales in R.L. Stine's Goosebumps series have made him one of the world's best-selli...