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Science Questions - All Grades

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Grade 7 Scientific Method
A(n)                      is a variable representing the value being manipulated or changed.
  1. hypothesis
  2. constant
  3. independent variable
  4. control group
  5. dependent variable
  6. meter
Grade 3 Communities, Populations, and Ecosystems
Grade 3 Adaptations and Behavior
Ducks fly south for the winter. This behavior is an example of
  1. mimicry.
  2. migration.
  3. hibernation.
  4. camouflage.
Grade 7 Forces and Motion
Grade 9 Scientific Method
Victoria grows the same bacteria in 20 petri dishes. She places 10 of the dishes in a container with a normal atmosphere. The remaining dishes she places in a container in which the oxygen level is double the normal level. She labels the first group "A" and the second group "B." Which statement best describes the groups?
  1. Group A is the control group; Group B is the experimental group.
  2. Group A is the experimental group; Group B is the control group.
  3. Group A is the hypothesis; Group B is the theory.
  4. Group A is the variable; Group B is the observation.
  5. Group A is the theoretical group; Group B is the hypothetical group.
Grade 3 Biotic and Abiotic
What does biotic mean?
  1. living
  2. non-living
Grade 4 Food Chains and Webs
Grade 8 Scientific Method
At the end of an experiment, what must you draw?
  1. a conclusion
  2. a bar graph
  3. a picture
  4. a chart
Grade 5 Food Chains and Webs
An example of a decomposer is
  1. bacteria.
  2. water.
  3. energy.
  4. niche.
Grade 7 Scientific Method
What is a hypothesis?
  1. a fact
  2. an untrue statement
  3. an educated guess
  4. something that can not be proven
Grade 8 Periodic Table and Elements
Grade 4 Food Chains and Webs
Grade 8 Forces and Motion
A force is a                     .
  1. constant speed
  2. push or pull
  3. linear quantity
  4. cannot be determined
Grade 9 DNA, RNA, and Genetics
Which four nitrogenous bases are found in DNA?
  1. guanine, cytosine, adenine, thymine
  2. guanine, uracil, adenine, cytosine
  3. both a and b
  4. none of the above
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