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Grade 11 Minerals
The main component found in glass is
  1. Water
  2. Lime
  3. Sodium Oxide
  4. Silica
College Other
Glass fiber
  1. is composed of 2 glas sections, the core and the cladding( which surrounds the core)
  2. is a hollow tube
  3. has cladding with a higher index of refraction so that light can escape the core.
  4. is created by one of two complex manufacturing processes,both of which use forms of silica glass.
  5. both A and D
Grade 4 Waves and Sound
Which of the following is transparent?
  1. eye glasses
  2. stained glass
  3. tin foil
Grade 8 Magnetism and Electricity
Grade 6 Heat Transfer
Grade 1 Cinderella
Grade 5 Fractions and Ratios CCSS: 5.NF.A.2
John drank 1/5 of a glass of water in the morning and 2/10 of a glass in the afternoon. How much water did John drink?
  1. [math]1/2[/math] of a glass
  2. [math]2/5[/math] of a glass
  3. [math]3/5[/math] of a glass
  4. [math]3/10[/math] of a glass
Grade 8 Properties of Matter
Which of the following is a chemical change?
  1. breaking glass
  2. burning alcohol
Grade 3 Charlie and the Chocolate Factory
What was the elevator made of?
  1. glass
  2. metal
  3. bricks
  4. chocolate
Grade 6 Minerals
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