Grade 4 Science | Unit 2: Energy, Observation and Fair Testing
Download the verified fillable student PDF: Grade 4 Science Unit 2, five-day fillable workbook. Open in a compatible PDF viewer to type answers, save a personal copy, or print. Keep student responses private. This PDF accompanies the online practice page.
Forty original problems, eight daily assignments over five lessons. Print this page or write answers on separate paper. This webpage is not a fillable PDF and does not receive or store student work.
Day 1: Forms and transfers of energy
- 1. Identify the flashlight’s initial energy store.
- 2. Name the energy carrier in its circuit.
- 3. Name two observable outputs.
- 4. Draw a labeled energy-flow model.
- 5. Explain why the flashlight eventually stops shining.
- 6. Is the statement ‘all battery energy becomes light’ accurate? Why?
- 7. Define thermal energy in this context in age-appropriate terms.
- 8. Describe another familiar device and its energy input and output.
Day 2: Questions, variables and fair comparisons
- 1. Write the testable question.
- 2. Name the planned independent variable.
- 3. Name the measured dependent variable.
- 4. List two controls for a fair comparison.
- 5. Why should each condition be tested more than once?
- 6. Write a measurement table heading with units.
- 7. Explain why releasing a car with a push would change the test.
- 8. Design a safe alternative using paper ramps and small objects under adult supervision.
Day 3: Insulators and conductors
- 1. Define a thermal conductor.
- 2. Define a thermal insulator.
- 3. Which spoon is predicted to transfer heat more readily?
- 4. What should be kept the same in a comparison?
- 5. What makes boiling water unsuitable for this student investigation?
- 6. Name a safe observation to record.
- 7. Why might touching a spoon alone be less precise than a thermometer?
- 8. Explain why an oven mitt can help protect a hand.
Day 4: Data tables, graphs and evidence
- 1. List the three recorded distances.
- 2. Identify the greatest distance.
- 3. Identify the least distance.
- 4. Calculate the range.
- 5. Calculate the mean distance.
- 6. State suitable graph axis labels.
- 7. Does the data prove all toy cars travel 44 cm? Explain.
- 8. Write one supported conclusion and one unanswered question.
Day 5: Independent science assessment
- 1. State a testable question.
- 2. Identify the independent variable.
- 3. Identify the dependent variable.
- 4. Name two conditions that should remain constant.
- 5. Why is an initial temperature measurement necessary?
- 6. Write table headings including units.
- 7. Explain why a prediction is not the same as a result.
- 8. Describe what evidence would support the claim that cloth slowed cooling.
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