Science This OR That.?

Question

Please choose the correct word from the two in the parentheses.

1. If the moons atmosphere were similar to the earths, stars near the moon would appear (red/white)

2. The shape of the magnetic fields around the earth is influenced by the (aurora borealis/solar wind)

3. All objects in the universe give off (radio waves/pulsars)

4. Scientists now believe that atoms are made up of smaller, elementary paricles called (pulsars/quarks)

5. By using enzymes scientists can remove and substitute sections of (quarks/DNA)

Answer 1

If you just think about the options in each, you can figure them out (this is pretty basic stuff).

1. Starlight is like sunlight, made up of different wavelengths (and therefore different colours) of light.  Atmospheres like Earth's absorb and scatter some of the blue light, leaving more of the red wavelengths to reach our eyes.  An atmosphere around the moon would do the same to stars we see near the moon - they wouldn't appear white as they do to us now.

2. The aurora borealis are inside our atmosphere, created by the magnetic field.  So the aurora don't control or influence the field (the field influences the aurora).  

3. Pulsars are very specific forms of stars, so all objects in the universe can't be pulsars.

4. Pulsars are very specific forms of stars, so they can't be subatomic particles.

5. Enzymes affect the genetic material - quarks are subatomic particles, not our genetic material.

Answer 2

1) Red

2) auroraborealis

3)radiowasves

4)quarks

5) DNA

Answer 3

Neilson is wrong about answer #2.

The solar wind pushes earth's magnetic field into a teardrop shape

He is right about the rest.

Answer 4

1. White

2. Solar Wind

3. Radio Waves

4. Quarks

5. DNA