Question

PLEASE HELP I WILL FAN AND MEDAL AND BE YOUR BEST FRIEND

2. Which best represents the motion of air particles as a sound wave passes through them?



A.
A

B.
B

C.
C

D.
D

image url:
http://static.k12.com/calms_media/media/1108500_1109000/1108563/2/8e308eb36fcbf6313567b6066efdab595777ad64/MS2_PHY_07_10_assess_02_ILL_wave_arrows.jpg

Answer 1

@ManImStumped @JayT517 @Whitemonsterbunny17 @mechanicalanimal_ @pigglet @justateenagedramaquee @jazzy688 @juujuube

Answer 2

I believe that D is the correct answer :)

Answer 3

Yep, I also agree with D. (:

Answer 4

thank you so much! could you help me with some more?

Answer 5

Sure! :)

Answer 6

do you want me to do it in like a different question thing or

Answer 7

alright

3. Which waves are mechanical waves?

A.
microwaves

B.
sound waves

C.
light waves

D.
radio waves

Answer 8

D

Answer 9

and A

Answer 10

4. Which describes the amplitude of a wave?

A.
the length of a wave from its crest to its trough

B.
the height of a wave from its rest position to its crest

C.
the length of a wave from one crest to the next crest

D.
the height of a wave from its crest to its trough

Answer 11

is it B?

Answer 12

Yes I believe

Answer 13

No I believe that it might be C.

Answer 14

I'm not too sure >_<

Answer 15

I'm not sure, it's been a while since i learned this. :s

Answer 16

Amplitude has to deal with length, so I would go with C.

Answer 17

5. Which letter indicates the wavelength of the wave?



A.
A

B.
B

C.
C

D.
D

image url:
http://static.k12.com/calms_media/media/1141000_1141500/1141264/1/470f96596bf7b74363c4204125d3ed6bace30f8f/MS2_PHY_07_10_assess_04_ILL_wave.jpg

Answer 18

B

Answer 19

6. Which is NOT an example of the measure of the frequency of a wave?

A.
5 hertz

B.
4 waves per second

C.
0.10 s per wave

D.
2 cycles per second

Answer 20

C :)

Answer 21

7. Which best describes what happens when a person sees a blue ball?

A.
The ball radiates all colors of light except blue to human eyes.

B.
The ball absorbs blue light from human eyes.

C.
Blue light reflected from the ball enters human eyes.

D.
Human eyes reflect blue light back to the ball.

Answer 22

I believe that this one is C :)

Answer 23

8. Which travels fastest through empty space?

A.
longitudinal waves

B.
electromechanical waves

C.
transverse waves

D.
electromagnetic waves

Answer 24

D

Answer 25

9. Light is shining in the images. Which object reflects almost no light, absorbs almost all light, and transmits almost no light?

A. http://static.k12.com/calms_media/media/1141000_1141500/1141266/1/f1927b4cc91f83cc9e9dab7195cd11e78717553f/MS2_PHY_07_10_UA_Marshmallow.jpg

B. http://static.k12.com/calms_media/media/1141000_1141500/1141268/1/684951e4a1a3fb3b9da3aee3070503541094985f/MS2_PHY_07_10_UA_Water_drop.jpg

C. http://static.k12.com/calms_media/media/1141000_1141500/1141265/1/102addd4c42365db7d49e6209738239326c0e17e/MS2_PHY_07_10_UA_Coal.jpg

D. http://static.k12.com/calms_media/media/1141000_1141500/1141267/1/e27d74469401ace8051a2d789a1a323fe56a4081/MS2_PHY_07_10_UA_OJ.jpg

Answer 26

C

Answer 27

Beat you @mechanicalanimal_ XD

Answer 28

10. Which best describes the light that plants transform into chemical energy by the process of photosynthesis?

A.
infrared light

B.
ultraviolet light

C.
green light

D.
red and blue light

Answer 29

Oh :)

Answer 30

I believe that it's A :)

Answer 31

XD It's fine.

Answer 32

Please share what get you on the assignment @sighcora. I'm curious to find out how you did :)

Answer 33

thats okay

11. How can a small human retina detect objects larger than itself?

A.
The brain interprets the size of the images.

B.
The optic nerve interprets the size of the images.

C.
Lenses of the eye change the size of the images.

D.
The cells of the retina change the size of the images.

Answer 34

and yea i will when its done @JayT517

Answer 35

haha okay

Answer 36

i think its B too

Answer 37

12. The illustrations show concave and convex lenses. The arrows represent possible paths of light. Which illustration shows the correct path of light through a lens?

A. http://static.k12.com/calms_media/media/1363000_1363500/1363124/1/e3ae4755d1bb504d9959edaf56a4a2ebbcf581fd/MS_PHYS_SCI_287142_B.jpg

B. http://static.k12.com/calms_media/media/1363000_1363500/1363123/1/15b953e3ce59d9f4d2acfbbbc9b07f6cf38020f5/MS_PHYS_SCI_287142_A.jpg

C. http://static.k12.com/calms_media/media/1363000_1363500/1363126/1/83124ed1a7b5f57e04b2d674d8c698aa81d2fc0a/MS_PHYS_SCI_287142_D.jpg

D. http://static.k12.com/calms_media/media/1363000_1363500/1363125/1/b12113f62f3dcd6c016f0013ca28f631c70fb10c/MS_PHYS_SCI_287142_C.jpg

Answer 38

c