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Search Results for polar - All Grades

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Grade 8 Light and Optics
What are polarizing filters used for in the polarization of light?
  1. To generate light waves.
  2. To block all light waves.
  3. To allow only certain light waves to pass through.
  4. To change the direction of light waves.
Grade 10 Molecules and Compounds
Grade 8 Light and Optics
What type of light does a pair of polarizing sunglasses block to reduce glare from horizontal surfaces?
  1. Vertically polarized light
  2. Randomly polarized light
  3. Horizontally polarized light
  4. Circularly polarized light
Grade 9 Solvents, Solutes, and Solubility
College Molecules and Compounds
Water's polarity
  1. is due to its hydrogen atoms having a greater love for the shared electrons than the oxygen atom does
  2. is the result of the oxygen atom being more electronegative than the hydrogen atoms are
  3. is due to the formation of ionic bonds between the oxygen and hydrogen atoms
  4. makes it possible for lipids to easily dissolve in it
College Bonds and Mixing
Hydrogen bonds are:
  1. Non-polar
  2. Neutral
  3. Unattractive
  4. Polar
Grade 10 Molecules and Compounds
Which statement explains why ethene does not dissolve in water?
  1. Ethene is polar and water is nonpolar.
  2. Ethene is nonpolar and water is nonpolar.
  3. Ethene is polar and water is polar.
  4. Ethene is nonpolar and water is polar.
Grade 8 Light and Optics
What is the primary advantage of polarized sunglasses over non-polarized ones?
  1. They are more stylish.
  2. They are cheaper.
  3. They can reduce glare more effectively.
  4. They are available in more colors.
Grade 9 Canadian Geography
Grade 10 Cell Structure and Function
What is a polar body?
  1. another name for an egg cell
  2. a precursor cell that becomes an egg cell
  3. a nonfunctional cell made at the same time as an egg cell
  4. a cell produced when fertilization occurs
Grade 10 Macromolecules
Grade 7 Waves and Sound
A polarizing filter is designed to
  1. let light in.
  2. increase vibrations.
  3. block light out.
  4. help you get a sun tan.
Grade 11 Human Reproduction
What is a polar body?
  1. It is a nonfunctional egg cell
  2. It is a functional egg cell
  3. It is a fertilized egg cell
  4. It is an unfertilized egg cell
Grade 10 Molecules and Compounds
Which molecule is polar?
  1. [math]"CCl"_4[/math]
  2. [math]"CO"_2[/math]
  3. [math]"SO"_3[/math]
  4. none of the these
Grade 12 Solvents, Solutes, and Solubility
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