science revision questions

Which part of the electromagnetic spectrum has a part of the cosmic background radiation

microwave

List 3 pieces of evidence for the Big Bang.

1.Redshift of Galaxies 2.Microwave Background 3.Mixture of Elements

if the speed of light is 3 x 10 power of 8 m/s. How far can light travel in 1 minute?

18,000,000 km per min

Why are there only radio and optical telescopes on Earth?

Radio telescopes have to be much larger than optical telescopes because the wavelengths of radio waves are so much larger than the wavelengths of visible light.

Which part of the electromagnetic spectrum has the highest energy

gamma rays

Which part of the electromagnetic spectrum has the highest frequency

gamma rays

Which part of the electromagnetic spectrum has the shortest wavelength

gamma rays

Which part of the electromagnetic spectrum can cause damage to human tissue

infrared radiation

Which part of the electromagnetic spectrum has the highest wavelength

radio waves

Which part of the electromagnetic spectrum has the lowest frequency

radio waves

Which part of the electromagnetic spectrum can be seen through the Earth's atmosphere

visible light