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Third Grade (Grade 3) Scientific Methods and Applications Questions

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Grade 3 Lab Practices and Tools
Which tool can you use to compare how heavy things are?
  1. thermometer
  2. balance
  3. cup
  4. magnifying glass
Grade 3 Scientific Methods and Applications
The use of scientific knowledge to invent new ways of doing things is called
  1. evidence.
  2. a tool.
  3. technology.
Grade 3 Scientific Method
What is the detailed listed of steps you are to follow when doing an experiment?
  1. Hypothesis
  2. Procedure
  3. Results
  4. Conclusion
Grade 3 Lab Practices and Tools
Which thermometer shows the higher temperature?
Thermometer AThermometer B
Thermometer 24°C 75°FThermometer 60°C 140°F v2
  1. Thermometer A
  2. Thermometer B
Grade 3 Scientific Method
When you observe what is happening in an experiment, you use only your eyes.
  1. True
  2. False
Grade 3 Scientific Methods and Applications
Someone who asks questions about the natural world is a(n)                .
  1. engineer
  2. model
  3. scientist
  4. teacher
Grade 3 Scientific Method
Which is true about an hypothesis?
  1. You can test it.
  2. It must be correct.
  3. You make it after a test.
Grade 3 Scientific Methods and Applications
The act of putting things into categories; grouping is to                .
  1. compare
  2. sort
  3. attribute
  4. classify
Grade 3 Lab Practices and Tools
Which tool would you use to measure the width of your classroom?
  1. graduated cylinder
  2. meter stick
  3. spring scale
  4. balance
Grade 3 Lab Practices and Tools
Which tool should you use to measure the distance around a pumpkin?
  1. rules
  2. scale
  3. measuring tape
  4. graduated cylinder
Grade 3 Lab Practices and Tools
A scale is used to measure                .
  1. weight
  2. length
  3. height
  4. temperature
Grade 3 Lab Practices and Tools
In the lab we NEVER
  1. talk.
  2. walk.
  3. eat or drink.
  4. pay attention.
Grade 3 Lab Practices and Tools
A finger should be used to measure if something is hot or cold in the science lab.
  1. True
  2. False
Grade 3 Lab Practices and Tools
Which of the following tools would you use to measure the height of a book?
  1. measuring cups
  2. balance
  3. ruler
  4. scale
Grade 3 Scientific Method
An hypothesis is the result you have at the end of an experiment.
  1. True
  2. False
Grade 3 Lab Practices and Tools
What tool should be used to measure the distance around a ball?
  1. ruler
  2. measuring tape
  3. spring scale
  4. measuring cup
Grade 3 Lab Practices and Tools
Which tool would you use to find out how long it takes to walk up a stairway?
  1. a watch
  2. a meter stick
  3. a thermometer
  4. a balance scale
Grade 3 Scientific Method
What does it mean to infer?
  1. compare objects then put them into groups
  2. use a model to find out how a real object works
  3. use observations to tell why something happened
Grade 3 Scientific Method
One pot has sand. One pot has soil. You put 3 cups of water in each. More water comes out of the pot with sand. What should you record?
  1. Soil holds more water than sand.
  2. Sand hold more water than soil.
  3. Sand and soil hold the same amount of water.
Grade 3 Lab Practices and Tools
Which thermometer shows the higher temperature?
Thermometer AThermometer B
Thermometer 6°C 42°FThermometer 0°C 32°F
  1. Thermometer A
  2. Thermometer B
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