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Third Grade (Grade 3) Scientific Methods and Applications Questions

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Grade 3 Lab Practices and Tools
Which one would you use a thermometer to measure?
  1. the mass of a rock
  2. the length of a piece of rope
  3. the temperature of water in a pond
  4. how much time it takes for water to boil
Grade 3 Scientific Method
If I see that the ground is wet and that there are very dark clouds in the sky, I can infer that it rained.
  1. True
  2. False
Grade 3 Lab Practices and Tools
Fluid volume is measured by this metric unit.
  1. quarts
  2. cups
  3. liters
Grade 3 Scientific Method
Something you learn by using your senses is called                 .
  1. an investigation
  2. a question
  3. an observation
  4. an experiment
Grade 3 Lab Practices and Tools
Microscope makes objects look                .
  1. larger
  2. smaller
Grade 3 Lab Practices and Tools
Goggles should be worn when working in the lab.
  1. True
  2. False
Grade 3 Scientific Method
A test done to find out if a hypothesis is correct or not is an experiment.
  1. True
  2. False
Grade 3 Scientific Method
A scientist should only use two senses when making observations.
  1. True
  2. False
Grade 3 Lab Practices and Tools
Which of the following pairs of tools are used to measure length?
  1. hand lens and balance
  2. measuring tape and ruler
  3. measuring spoon and cup
  4. graduated cylinder and microscope
Grade 3 Scientific Method
When using the scientific method, a hypothesis is a possible answer to your question.
  1. True
  2. False
Grade 3 Lab Practices and Tools
Which inquiry skill helps you find the size of an object?
  1. predict
  2. observe
  3. compare
  4. measure
Grade 3 Lab Practices and Tools
Scientists use this standard unit of measurement to measure mass.
  1. pounds
  2. grams
  3. ounces
Grade 3 Scientific Method
Which is the first step in the scientific method?
  1. Draw a conclusion
  2. Plan an experiment
  3. Form a hypothesis
  4. Observe and ask a question
Grade 3 Scientific Method
Scientists sometimes draw pictures to explain their experiments.
  1. True
  2. False
Grade 3 Lab Practices and Tools
Before an experiment what should you put on?
  1. Gloves, goggles, lab coat
  2. Apron, oven mitt, glasses
  3. Coat, glasses, hat
  4. Uniform, shoes, science book
Grade 3 Lab Practices and Tools
Why do you wear gloves sometimes when doing experiments?
  1. To protect your hands
  2. To protect your eyes
  3. To protect your nose
  4. To protect your clothes
Grade 3 Lab Practices and Tools
Which tool is used to measure temperature?
  1. graduated cylinder
  2. pan balance
  3. thermometer
  4. tape measure
Grade 3 Lab Practices and Tools
John is growing three bean plants. He wants to compare their heights. Which tool should he use?
  1. metric ruler
  2. spring scale
  3. hand lens
  4. graduated cylinder
Grade 3 Scientific Method
A possible answer to a question is a(n)                .
  1. inquiry
  2. hypothesis
  3. classify
Grade 3 Lab Practices and Tools
               is measured with a thermometer.
  1. Size
  2. Texture
  3. Temperature
  4. Color
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