Thursday
April 17, 2014

Homework Help: Physical Science

Posted by mysterychicken on Saturday, May 9, 2009 at 11:17am.

I need help with some of these questions:

1.If you look at a red leaf, what describes what happens when you see it?
A.The leaf absorbs red light from our eyes
B.Our eyes reflect red light back to the leaf
C.Red light reflected from the leaf enters our eyes
D.The leaf radiates all colors of light except red to our eyes
C...?

2.Which of these objects would have the following characteristics: reflects a lot of light, absorbs a little light, and transmits almost no light?
A.drop of water
B.glass of orange juice
C.lump of coal
D.marshmallow
I think it can either b C or D

3.Which best describes the light that plants transform into chemical energy by the process of photosynthesis?
A.green light
B.infrared light
C.ultraviolet light
D.red and blue light
Not sure about this one...D---??

4.What happens when light strikes the retina in our eyes?
A.Optic fibers send light to the brain
B.An image is protected on the lens of the eye
C.Light sensitive cells send impulses to the brain
D.Chemicals react to develop a photographic image
Not sure about this one either...C?

Thanks!
-MC

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Science - A green leaf is reflecting a. no light b. red light c. green light d. ...
Science - When we look at a leaf, we see the colors of light that are reflected ...
Science - When we look at a leaf, we see the colors of light that are reflected ...
Honors Chemistry - When a solution is red, does it absorb or transmit red light...
Physics - Resistivity measurements on the leaves of corn plants are a good way ...
college Chemistry - Warm objects emit electromagnetic radiation in the infra-red...
Lang Arts - Have you read this book called the outsiders well i need to do an ...
Lang Arts - Have you read this book called the outsiders well i need to do an ...
Biology - A scientist separates plant pigments from leaf, root, and stem samples...
Repost- Biology - A scientist separates plant pigments from leaf, root, and stem...

Search
Members