Feb 10

Homework due Tuesday February 11th

pg. 37

Explain the difference between each term

1.  Diffusion and Osmosis

2. Active Transport and Passive Transport

3. Endocytosis and Exocytosis

4. The movement of particle from a less crowded area to a more crowded area requires:

a) sunlight

b) energy

c) a membrane

d) osmosis

5. What structures allow small particles to cross the membrane?

Jan 30

Homework Due January 31st – pg.11 # 1-5

1.  In your own words, write a definition for the term organelle.

2.  Use the following terms in the same sentence: prokaryotic, eukaryotic, nucleus

3.  Cell size is limited by

a) thickness of the cell wall

b) size of the cell’s nucleus

c) cell’s surface area to volume ration

d) amount of cytoplasm in the cell

4. What are the three parts of the cell theory?

5. Name 3 structures that every cell has.

Jan 14

Homework due Wednesday, January 15th (pg 19 #1-8)

Fill in the blank

1. ______ happens when a wave passes from one medium to another at an angle

2. The bending of a wave around a barrier is called _____.

3. We can see the moon because of the _____ sunlight off of it.

4. The combination of waves as they overlap is know as:

a) interference  b) diffraction  c) refraction  d) resonance

5. Name two wave interactions that can occur when a wave encounters a barrier.

6. Explain why you can hear two people talking, even when they walk around the corner.

7. Explain what happens when two waves encounter one another in destructive interference.

8. Sometimes when music plays loudly you can hear your body shake.  Explain what is happening.

Dec 16

Homework due Tuesday, December 17th

Fill in the blank:

1. In a _____, the particles vibrate parallel to the direction that the wave travels.

2. Mechanical Waves require a _____ through which the wave can travel.

3. Any ____ transmits energy through vibrations.

4. In a ___, the particles vibrate perpendicular to the direction that the wave travels.

5. Waves transfer: a) matter b) energy c) particles d) water

6. Name a kind of wave that DOES NOT require a medium.

7. Sometimes at sporting events, people do “the wave”.  Is this a real wave?  Explain your answer

8. Why can supernova explosions in space be SEEN but not HEARD?  Explain.