1. What is the first step in the scientific method ? A. Collect empirical evidence. B. Create a model. C. Develop a testable hypothesis. D. Ask a question about the natural world.
2. Which term or phrase represents a proposed answer to a scientific question? A. direct observation B. model C. hypothesis D. empirical evidence
3. A scientist wants to drop a bouncy ball from a height of one meter and determine how many times the ball will bounce before coming to rest Which option below is an example of a hypothesis for this test? A. If a bouncy ball is dropped, it will bounce one hundred times before coming to rest. B. If a bouncy ball is drapped and data is collected, the data will show that the ball will bounce one hundred times before coming to rest. C. If bouncy ball is dropped from a height of one meter, it will bounce before coming to rest. D. If a bouncy ball is dropped from a height of one meter, then it will bounce one hundred times before coming to rest.
4. Is gravity a theory or a hypothesis? How do you know? A. Theory, because it cannot be contested as it has been proven true. B. Hypothesis, because it was an observation proposed by a scientist. C. Hypothesis, because it has been tested frequently. D. Theory because it has overwhelming evidence supporting it.
5. A scientist claims that water balls at 100 degrees Celsius. Repeated trials result in similar data every time. Other scientists can replicate the experiment with similar results and come to the same conclusion. What is this an example of? A. a prediction B. proof C. a theory D. support
3 answers
Responses
Ask a question about the natural world..
Collect empirical evidence.
Develop a testable hypothesis.
Create a model.
12 answers