Topic 2. Scientific Research

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

Brian is measuring the weight of each rat and writing it down on a chart. Which stage of the scientific method is this?

• Hypothesis

• Collecting Data

• Question or Problem

• Conclusion

A student notices that apples vary in sweetness, and he wants to determine the cause. Which of the following should be done first when developing a scientific investigation based on this observation?

• Perform an experiment.

• Form a hypothesis.

• Write a conclusion.

• Construct a graph.

Which science process skill uses a test under controlled conditions and follows steps?

• measuring

• experimenting

• collecting information

• inferring

Tags

NGSS.3-5-ETS1-3

In which step of the scientific method do we talk to experts, read books, and look online for what work has already been done?

• Purpose

• Research

• Hypothesis

• Analysis

Which step of the scientific method provides graphs and charts to process the information (numbers, etc.) we've gathered?

• Experiment

• Analysis

• Conclusion

• None of these

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

When you notice something interesting or curious about the world around you.

• Hypothesize
• Observe
• Record Data
• Experiment 

Can a theory be modified over time?

• No, scientific theories can never be modified over time.

• Yes, scientific theories can be modified with new evidence.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3