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Grade 7 DNA, RNA, and Genetics
The letters "DNA" stand for                      .
  1. deoxyribonucleic acid
  2. ribonucleic acid
  3. deoxyribose sugar
  4. ribose sugar
Grade 5 Matter
The process by which a liquid changes to a gas is called                .
  1. condensation
  2. evaporation
  3. precipitation
  4. transpiration
Grade 9 Magnetism and Electricity
The buildup of electrical charges on an object is called                     .
  1. static electricity
  2. electric electricity
  3. current electricity
Grade 6 Forces and Motion
What does Newton's first law of motion state?
  1. An object in motion stays in motion unless a force acts on it.
  2. An object's acceleration (change in speed) depends on the mass of the object and the amount of force applied on it.
  3. An object at rest stays at rest unless a force acts on it.
  4. Every action has an equal and opposite reaction.
  5. Both A and C.
Grade 8 Heat Transfer
Thermal energy always moves                                                  .
  1. from a higher temperature to a lower temperature.
  2. from a lower temperature to a higher temperature.
  3. from inside to outside.
  4. from outside to inside.
Grade 5 Historical Geology
A fossil is                                                         .
  1. the imprint or remains of something that lived long ago.
  2. sedimentary rock formed from layers of sand and mud.
  3. the soft part of the animal from long ago.
Grade 8 Scientific Method
The last step in the scientific method is                          .
  1. constructing a hypothesis
  2. doing background research
  3. communicating results
  4. asking a question
Grade 4 Communities, Populations, and Ecosystems
Several species living and interacting with other species in an ecosystem is a(n)                .
  1. population.
  2. community.
  3. environment.
  4. ecosystem.
Grade 9 Cell Structure and Function
Mitochondria are found in                              .
  1. animal cells only
  2. plant cells only
  3. neither animal or plant cells
  4. both animal and plant cells
Grade 7 Periodic Table and Elements
Periodic means                                     .
  1. happening at regular intervals
  2. happening very rarely
  3. happening frequently
  4. happening three or four times a year
Grade 5 Forces and Motion
Once something is still, it tends to                                              .
  1. start moving by itself
  2. start moving easily
  3. stay still even when forces are applied to it
  4. stay still until a force is applied to it
Grade 8 Outer Planets
Saturn's rings are made up mostly of                        .
  1. volcanic dust particles
  2. nitrogen and helium
  3. chunks of ice and rock
  4. ice and water vapor
Grade 6 Sun
The chemical makeup of the Sun is mainly                              .
  1. hydrogen and oxygen
  2. oxygen and helium
  3. hydrogen and helium
  4. hydrogen, helium, and sulfate
Grade 5 Geomorphology
Weathering occurs when rock                                                 .
  1. gets wet in the rain or snow.
  2. is worn away or broken down into smaller pieces.
  3. melts.
  4. erodes.
Grade 4 Heat Transfer
The energy of the random motion of particles in matter is called                .
  1. Thermal energy
  2. Kinetic energy
  3. Solar energy
  4. Conduction
Grade 5 Communities, Populations, and Ecosystems
The complex interactions of different organisms with one another and with their environment is a(n)                .
  1. biome.
  2. community.
  3. ecosystem.
  4. population.
Grade 6 Magnetism and Electricity
The movement of electric charges is                .
  1. sound energy
  2. open circuit
  3. light energy
  4. electric energy
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