Understanding Scientific Principles
This worksheet helps sixth-grade students understand the differences between a hypothesis, a scientific theory, and a scientific law.
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Understanding Scientific Principles
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Read each question carefully and answer to the best of your knowledge. This worksheet will test your understanding of hypotheses, theories, and laws in science.
1. Which of the following is a testable explanation for an observation?
Scientific law
Hypothesis
Theory
Fact
2. A scientific theory is:
An educated guess
A statement that describes an observed phenomenon
A well-substantiated explanation of some aspect of the natural world
A proven fact
3. A scientific describes an observed phenomenon but does not explain why it occurs.
4. A is a proposed explanation for a phenomenon that can be tested.
5. A scientific theory can eventually become a scientific law if enough evidence is gathered.
True
False
6. A hypothesis is always correct.
True
False
7. Describe the key difference between a scientific theory and a scientific law.
8. Imagine a scientist observes that a plant grows taller when given a certain type of fertilizer. Formulate a hypothesis for this observation.