Science Questions and Answers

To understand radioactive tracers it helps to first understand that all substances are made up of atoms and all atoms have a nucleus. The nuclei of some atoms will disintegrate and when they do, ...

2 Answers

It turns out that there are at three simple machines found in a bicycle: lever, pulley, and wheel-and-axle. There are three more kinds of simple machines: an inclined plane, a wedge and a screw. ...

2 Answers

One of the more unconventional (and still underutilized) ways of generating electricity is by capturing human body heat. Ventilation systems in shopping malls and underground subways have been ...

2 Answers

The best answer among the choices is letter D. At first, a group of students collected bacterial swabs then were spread on a petri dish. After collecting the first batch of bacterial swabs, the ...

2 Answers

There's more than one name put forward as The Father of Science. This is because Science has a number of disciplines within its massive area. It is common practice to point to Galileo because he ...

2 Answers

Pneumonia is one of those words with a silent p you only have to remember when you're spelling. The word is derived from Greek. We pronounce most of our borrowed words in a way that is ...

2 Answers

The 5 vertebrate groups are:
mammals, amphibians, reptiles, birds, fish

1 Answer

Two years

Moores Law states that the number doubles around every two years. This trend has continued for more than 50 years.

2 Answers

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