Energy that is radiated to Earth and is the means of sustaining all forms of life is what?

Which of the following are conductors of electricity and which are insulators?
leather
porcelain
silver
copper
wood
glass
salt water
distilled water
sulfuric acid
plastic

Why is it that a radio with a strong electromagnet would not be placed near the navigation instruments on a plane or ship?

What type of energy is radiated to Earth and is the means of sustaining all forms of life?

What type of energy results from the fission of uranium-235 nuclei and is used to generate electrical power?

What type of energy results from the ignition of a gas and air mixture and powers a car?

Is there more rigid molecular structure in a solid than in a gas?

Are molecules in a gas close together and do they exhibit little motion?

Does an increase in temperature decrease the molecular motion of a gas?

Do molecules moving past each other in a liquid give it fluidity?

True or False- the presence or absence of heat has no connection with the state of matter of a substance>

If a drop f blue ink is placed on the surface of a glass of water, the ink is dispersed throughout the water turning it light blue. What do these results prove?

Which are longitudinal waves and which are transverse waves
1. a wave that can be seen when a loose rope held end to end is jerked at one end
2. a noise caused by the detonation of an atomic bomb
3. the hum created when an arrow is released from a bow
4. waves created on the surface of boiling soup
5. waves that appear on the surface of the ocean


these are some questions my son asked me for help with and I couldn't help him because I didn't know
If you could help with the answers, it would make it much easier for me to explain it to him. thanx for your time!