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Tuesday, April 20, 2010
GRADE 10 SCIENCE POST ONLY
Grade 10 Science students, post your multiple choice questions as comments on THIS POST.
a) the inability to see any colours b) the eye can only see black and white c) THE INABILITY TO DISTINGUISH BETWEEN SOME OF THE COLOURS d) a person who has completely gone blind e) None of the above
1. What are holograms? (a) mystical images (b) 3-D image floating in space (c) Recording of an object (d) COHERENT BEAMS OF LIGHT BURNED INTO A PHOTOGRAPHIC PLATE
2. How do holograms work? (a) Made by Swirling of torch bean (b) Fairy dust (c) 3D-IMAGE REGISTERED ON A HOLOGRAPHIC PLATE WITH USE OF COHERENT LASER LIGHT (d) Forms where the a beam hits a holographic plate
3. What can we use holograms for? (a) To create family pictures (b) SECURITY (c) Watching T.V. (d) Toys
4. What kind of internment is used to a split a beam when making a hologram? (a)Convex mirror (b) Concave mirror (c) Half mirror (d) HALF SILVERED MIRROR
5. What example did I (Somayeh) use in my presentation to describe what a hologram is? (a) $5.00 bill (b) Credit Card (c) Health card (d) $10.00 BILL
Why does the sun appear red as well as the sky after a volcanic eruption?
A)Because of lava. B)THE ATMOSPHERE IF THICKER. C)The atmosphere is thicker at night. D)It doesn't appear red. E)The sun is having a chemical reaction.
14 comments:
How Does Fiber Optic Cables Work?
a)electronic pulses
b)sunlight pulses
c)LIGHT PULSES
d)bouncing pulses
e)pushing pulses
what creates glare?
a)vertical light
b)HORIZONTAL LIGHT
c)reflected light
d)sunlight
e)none of the above
What is colour blindness?
a) the inability to see any colours
b) the eye can only see black and white
c) THE INABILITY TO DISTINGUISH BETWEEN SOME OF THE COLOURS
d) a person who has completely gone blind
e) None of the above
Hot air is:
a)More dense than cold air
b)As dense as cold air
c)LESS DENSE THAN COLD AIR
d)None of the Above
1. What are holograms?
(a) mystical images
(b) 3-D image floating in space
(c) Recording of an object
(d) COHERENT BEAMS OF LIGHT BURNED INTO A PHOTOGRAPHIC PLATE
2. How do holograms work?
(a) Made by Swirling of torch bean
(b) Fairy dust
(c) 3D-IMAGE REGISTERED ON A HOLOGRAPHIC PLATE WITH USE OF COHERENT LASER LIGHT
(d) Forms where the a beam hits a holographic plate
3. What can we use holograms for?
(a) To create family pictures
(b) SECURITY
(c) Watching T.V.
(d) Toys
4. What kind of internment is used to a split a beam when making a hologram?
(a)Convex mirror
(b) Concave mirror
(c) Half mirror
(d) HALF SILVERED MIRROR
5. What example did I (Somayeh) use in my presentation to describe what a hologram is?
(a) $5.00 bill
(b) Credit Card
(c) Health card
(d) $10.00 BILL
"Star" The 5 choices refers to a single question with 5 possible answers (a,b,c,d,e) but thank you for all the hard work you did.
plexplexify said...
what creates glare?
a)vertical light
b)HORIZONTAL LIGHT
c)reflected light
d)sunlight
e)none of the above
What are the two types of mirages?
(a) refraction and reflection
(b) inperior and suferior
(c) incident ray and reflected ray
(d) INFERIOR AND SUPERIOR
(e) none of the above
Glen"(^-^)"
plexplexify is me, i just posted it with a sifferent account by accident
What does a telescope may not have inside its box?
(1) convex lens
(2) plane mirror
(3) concave mirror
(4) none of above
What does a telescope may not have inside its box?
(1) convex lens
(2) plane mirror
(3) concave mirror
(4) none of above
peter
What are Rhodospins?
(a) Fish pigments found in Brain.
(b) Fish Eye ball.
(c) FISH PIGMENT FOUND IN ROD CELLS OF RETINA.
(d) The Lens found in fish's eye.
(e) Eye cushion Fat.
Why does the sun appear red as well as the sky after a volcanic eruption?
A)Because of lava.
B)THE ATMOSPHERE IF THICKER.
C)The atmosphere is thicker at night.
D)It doesn't appear red.
E)The sun is having a chemical reaction.
What causes stars to twinkle?
a) REFRACTION
b) reflection
c) the atmoshere
d) the moon
e) an illusion of our eyes
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