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Search Results for materials - All Grades

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Grade 10 Environmental Science
Which of the following items is not needed for an effective compost pile?
  1. brown material
  2. moisture
  3. green material
  4. yellow material
Grade 9 Oceanography and Hydrology
What is a stream's suspended load?
  1. material that moves along the stream bottom
  2. material that is carried in solution
  3. material that is carried in suspension
  4. material that floats on the stream surface
Grade 9 Oceanography and Hydrology
What is a stream's bed load?
  1. material that moves along its bottom
  2. material that is carried in solution
  3. material that floats on its surface
  4. material that is carried in suspension
Grade 12 Physics
What type of materials are used to reduce friction and wear in mechanical systems?
  1. Low-strength materials
  2. High-performance materials
  3. Heavy metals
  4. Composite materials
Grade 10 Small Bodies and Dwarf Planets
Asteroids are made up of what?
  1. gaseous materials
  2. liquid materials
  3. metallic
  4. rocks
Grade 12 Magnetism and Electricity
The amount of charge that builds up due to the friction between two materials depends on the                                         .
  1. weight of the materials
  2. surface area in contact
  3. electrical conductivity of the materials
  4. lattice structures of the materials
Grade 10 Geomorphology
What happens to a material when it under goes stress that exceeds its strength?
  1. The material undergoes ductile/plastic deformation.
  2. The material is deformed permanently.
  3. The material returns to its original state.
  4. The material breaks or fails.
Grade 9 Lab Practices and Tools
What is an MSDS?
  1. material safety directing sheet
  2. material safety data sheet
  3. material sheet directing safety
Grade 12 Physics
How is the differentiation of materials as insulators, semiconductors, or conductors determined in solid-state physics?
  1. By the number of atoms in the material
  2. By the weight of the material
  3. By the energy gap between the valence and conduction bands
  4. By the color of the material
Grade 8 Earth's Layers
The inner core of the Earth is made of what?
  1. dense, solid materials
  2. gases
  3. liquid materials
  4. melted rocks
Grade 6 Lab Practices and Tools
In lab science, this symbol represents                      .
Hazard Sign - Chemical
  1. poisonous substance
  2. biohazardous material
  3. radioactive material
  4. flammable substance
Grade 8 Physics
Which of the following materials is ideal for efficient energy transfer?
  1. Low-density and low-conductivity materials
  2. High-density and high-conductivity materials
  3. Low-density and high-conductivity materials
  4. High-density and low-conductivity materials
Grade 4 Spelling
That material feels                .
  1. ruff
  2. ruogh
  3. rugh
  4. rough
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