These are questions and reports sent in by other teachers, and
answers and comments. If you have a question or an answer or a
comment, send it in!
On the main
Sciworks page, you can learn about our program for professional
development of inservice teachers.
On the Links Page we have gathered references to some interesting and useful internet sites.
Questions about light
Questions about temperature and heat
Questions about electricity and magnetism
Questions about other subjects
The questions (there may be more on the pages)
(Click on a line to jump to the entry)
Questions about light:
Why is glass invisible when immersed in oil?
Can the edge of a shadow move faster than the speed of light?
Why don't extended sources of light make sharp shadows?
Amplifying light with mirrors
Shadows on the moon
Taking photographs through a window
Why do objects appear to get smaller
as you move away from them?
Shadow Size
I can't darken my classroom
Using flashlights as light sources
About large screen TVs
Why is the diffraction grating spectrum symmetrical?
Questions about temperature and heat
Is blue light warmer than red light?
Questions about electricity and magnetism
What is the difference between a cell and a battery?
Thermal conductors and electrical conductors
Questions about other subjects
Why does a dome amplify sound?
Can sound energy be converted to heat?