Log 7 q4

 

 Log 7 q4 

Questions of the Week

1. What happens to light as it goes from one medium into another?

2. What color is the most absorbent to light energy?

3. What is the angle of incident?

4. What is the angle of reflection?

5. What happens to waves in constructive interference?

Scientist of the Week 

1. I was born on November 20, 1889.

2. I was an American astronomer who played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology. 

3. I proved that many objects previously thought to be clouds of dust and gas and classified as "nebulae" were actually galaxies beyond the Milky Way.

4. I provided evidence that the recessional velocity of a galaxy increases with its distance from the Earth, a property that has a law named after me. 

Daily Questions

1. What is the scientific use for the word “normal”? 

2. What color absorbs the most amount of energy?

3. What is the origin of diffraction and what does it mean?

4. What happens to sound when a standing wave is created?