Questions and Answers

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All Answers by Keith Welch

How is radioactivity measured - in quantity?

Is carbon found in all organic and inorganic matter?

What atoms make up sugar? After sugar is melted over heat, what is the black substance called?

If radioactivity is so dangerous why do we use it to destroy cancers, and could the treatment cause more damage?

Do radioactive things glow in the dark?

Why is it (in detail) that the more coils you add to an electromagnet, the stronger its magnetic field is?

How do you explain electrical resistance?

Are nitrogen, arsenic, and tantalum radioactive?

How can I explain the Quantum/Wave theory to my class?

How does the radioactivity of an atom affect the body?

Do rotating magnets create energy?

If all physical things are made of atoms, then why do different physical things have different physical properties? Like why is wood hard...

What is a meniscus?

Anything with an atomic number greater than 92 (Uranium), is called transuranic. These elements are manmade, but is there a difference in...

What are alpha rays? How are they produced?

How do you know plasma is real if you can't see it?