Name Class: Date:
Honors Science Test: Life and Light
Matching
Match each item with the correct statement below.
a. Absorption c. Scattering
b. Reflection d. Transmission
_____ 1. transfer of energy carried by light waves to particles of matter.
_____ 2. passing of light through matter.
_____ 3. interaction of light with matter that causes light to change direction.
_____ 4. bouncing back of a ray of light when the ray hits a surface that it does not go through.
Match each description with the correct illustration below.
_____ 5. eats other living organisms or organic matter,
_____ 6. uses energy from the sun or the chemicals in the environment to make food.
_____ 7. gets energy by breaking down the nutrients of dead organisms or animal wastes.
Match the correct label to the drawings.
c. d.
_____ 8. concave lens that forms a virtual image.
_____ 9. convex lens that forms a real image.
_____ 10. the longest wavelength of the EM spectrum.
_____ 11. the shortest wavelength of the EM spectrum.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
12. Which of the following statements about living things is true?
a. Living things never develop or change as they grow.
b. All living things do not need oxygen
c. All living things grow during parts of their lives.
d. Living things can survive without maintaining homeostasis.
13. What are all living things composed of?
a. only one cell c. at least 100 cells
b. one or more cells d. at least a trillion cells
14. About how much of the human body is water?
a. 10% c. 70%
b. 50% d. 99%
15. What is DNA?
a. carbohydrate c. lipid
b. protein d. nucleic acid
16. How do organisms carry out chemical activities of life?
a. through sexual reproduction c. by using energy
b. through asexual reproduction d. by increasing metabolism
17. Which of the following is the major energy-carrying molecule of the cell?
a. nucleic acid c. phospholipid
b. ATP d. lipid
18. Which of the following reproduces through asexual reproduction?
a. human c. fish
b. hydra d. bird
19. The maintenance of stable internal conditions is called
a. reproduction c. homeostasis
b. metabolism d. heredity
20. Which of the following is a direct result of sexual reproduction?
a. Organisms always undergo photosynthesis.
b. Organisms sense a change in their environment.
c. Organisms maintain a stable internal environment.
d. Organisms produce offspring that share traits of both parents.
. 21. Most single-celled organisms produce offspring through
a. asexual reproduction c. replication
b. sexual reproduction d. multiplying
22. Which of the following is NOT a basic need of most organisms?
a. food c. air
b. sound d. water
23. What do most of the chemical reactions involved in metabolism require?
a. water c. phospholipids
b. carbohydrates d. carbon dioxide
24. What is light?
a. surface wave c. sound wave
b. water wave d. electromagnetic wave
25. How do ultraviolet waves and visible light differ?
a. Ultraviolet light waves can be seen by humans.
b. There is no difference between ultraviolet waves and visible light waves.
c. Ultraviolet waves have a shorter wavelength then visible light waves do.
d. Visible light waves have a shorter wavelength than ultraviolet waves do.
26. An object can be seen if the eye detects light that is
a. emitted by or reflected from the object.
b. Transmitted by or reflected from the object.
c. Scattered and transmitted by the object.
d. Transmitted and absorbed by the object.
27. Which of the following happens during reflection, absorption, scattering, and transmission?
a. Light travels through empty space.
b. Light energy turns into chemical energy.
c. Light interacts with matter.
d. Chemical energy turns into light energy.
28. The law of reflection states that the angle of incidence is equal to the angle of
a. transmission c. absorption
b. illumination d. reflection
29. Light that travels through material that does not change always travels
a. in a wavy line c. in straight lines
b. at a very slow speed d. at a very high speed
30. A transparent object that forms an image by reflecting light is called a(n)
a. flashlight c. light bulb
b. medium d. lens
31. Which of the following do concave lenses and convex lenses use to form images?
a. illumination c. refraction
b. transmission d. absorption
32. Which of the following make up a small piece of the EM spectrum?
a. radio waves c. visible light waves
b. X rays d. infrared waves
33. Which of the following is an effect of infrared waves?
a. Infrared waves warm Earth. c. Infrared waves kill bacteria in food.
b. Infrared waves cook food. d. Infrared waves cause wrinkles.
34. Which EM(electromagnetic) waves does your skin need to produce Vitamin D?
a. microwaves c. gamma rays
b. ultraviolet light d. infrared waves
35. What part of a camera is most like the retina in the human eye?
a. the lens c. the shutter
b. the film d. the apenture
Completion
Complete the sentences below.
36. In the process of , two parents produce offspring with traits from both
parents.
37. An EM wave that can cause a sunburn is called .
38. A transparent object that forms an image by refracting light is called .
39. The bending of a wave as it passes at an angle from one medium to another is called .
40. Living things that break down the nutrients from dead organisms are called .
Essay (10 points each)
41. Use the diagram below to answer the following questions.
· In terms of light, what is this picture representing?
· Is the light beam reflecting off a mirror or off a wall? Explain your answer.
.
42. Explain in DETAIL how you can tell that an apple tree is a living thing. Make sure to include
characteristics, needs, and elements of living things in your answer.