Scientific Method worksheet for students to practice ordering steps and matching definitions.

Here is the completed worksheet with explanations for each section.

---

## Part 1: Put the steps of the scientific method in proper order

The correct order of the scientific method steps is:

1. Identify the problem.
→ This is the starting point. You must first recognize and clearly define what you want to investigate.

2. Research the problem.
→ Before forming a guess, gather background information to understand what’s already known about the topic.

3. Make a hypothesis.
→ Based on your research, form an educated guess (a testable prediction) about the outcome.

4. Test the hypothesis.
→ Design and conduct an experiment to see if your hypothesis holds true.

5. Observe and record.
→ During the experiment, carefully watch what happens and write down all measurements and observations — this is your *data*.

6. Arrive at a conclusion.
→ Analyze your data and decide whether it supports or refutes your hypothesis. This leads to your final judgment.

✔ So, the numbered order is:

_3_ Research the problem.
_5_ Observe and record.
_2_ Make a hypothesis.
_1_ Identify the problem.
_6_ Arrive at a conclusion.
_4_ Test the hypothesis.

*(Note: Some curricula may place “Observe and record” earlier — before forming a hypothesis — but in standard elementary/middle school sequences, observation often follows research and precedes testing. However, since “Observe and record” is listed separately and typically refers to recording during/after the experiment, placing it after testing makes sense. But wait — let’s double-check logic.)*

Actually, “Observe and record” should come AFTER “Test the hypothesis”, because you observe and record *during* or *after* the test. Also, “Identify the problem” must be FIRST.

Let’s re-order logically:

1. Identify the problem → Step 1
2. Research the problem → Step 2
3. Make a hypothesis → Step 3
4. Test the hypothesis → Step 4
5. Observe and record → Step 5 (you observe *while* or *after* testing)
6. Arrive at a conclusion → Step 6

✔ Final Correct Order:

_2_ Research the problem.
_5_ Observe and record.
_3_ Make a hypothesis.
_1_ Identify the problem.
_6_ Arrive at a conclusion.
_4_ Test the hypothesis.

Wait — that doesn’t match the logical flow! The numbers should reflect the sequence from 1 to 6.

Let me assign numbers correctly:

- First: Identify the problem → 1
- Second: Research the problem → 2
- Third: Make a hypothesis → 3
- Fourth: Test the hypothesis → 4
- Fifth: Observe and record → 5 *(this happens during/after testing)*
- Sixth: Arrive at a conclusion → 6

✔ So the blanks should be filled as:

_2_ Research the problem.
_5_ Observe and record.
_3_ Make a hypothesis.
_1_ Identify the problem.
_6_ Arrive at a conclusion.
_4_ Test the hypothesis.

Yes — that’s correct. The numbers correspond to the step number in the process.

---

## Part 2: Match terms with definitions

We’ll match each term to its best definition.

1. hypothesis → b) an educated guess about the solution to a problem
→ A hypothesis is a testable prediction based on prior knowledge.

2. control → f) used to show that the result of an experiment is really due to the condition being tested
→ The control group is kept constant to compare against the experimental group.

3. variable → g) factor that changes in an experiment
→ Independent variable is what you change; dependent variable is what you measure.

4. experiment → a) organized process used to test a hypothesis
→ An experiment is a structured procedure to test your prediction.

5. conclusion → d) a judgment based on the results of an experiment
→ After analyzing data, you draw a conclusion about whether your hypothesis was supported.

6. theory → e) a logical explanation for events that occur in nature
→ A theory is a well-substantiated explanation based on repeated experiments and evidence (e.g., Theory of Gravity).

7. data → c) observations and measurements recorded during an experiment
→ Data are the facts and figures collected during the experiment.

✔ Final Matching:

_b_ 1. hypothesis
_f_ 2. control
_g_ 3. variable
_a_ 4. experiment
_d_ 5. conclusion
_e_ 6. theory
_c_ 7. data

---

## ✔ FINAL ANSWER SUMMARY:

Part 1: Scientific Method Steps (Numbered Order)

- 2 Research the problem.
- 5 Observe and record.
- 3 Make a hypothesis.
- 1 Identify the problem.
- 6 Arrive at a conclusion.
- 4 Test the hypothesis.

*(Order: 1 → 2 → 3 → 4 → 5 → 6)*

Part 2: Term Matching

- b 1. hypothesis
- f 2. control
- g 3. variable
- a 4. experiment
- d 5. conclusion
- e 6. theory
- c 7. data

---

Let me know if you’d like this formatted as a printable answer key!