Scientific Method

A possible explanation to a problem that has not yet been tested is known as a (an)

• data

• theory

• hypothesis

• fact

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

• scientific method

• recipe

• data collection

• metric system

In a controlled experiment, how many independent variables can be worked with at a time?

• one

• none

• two or more

• how ever many that you would like

Redi set up an experiment to discover if maggots grow from meat. He set up one jar with meat in it and covered it. He set up another jar with meat in it but did not cover it. Once a week he counted the number of maggots present. What is the independent variable?

• Amount of meat

• Type of meat

• Closed or Open Lid

• Amount of maggots

Redi set up an experiment to discover if maggots grow from meat. He set up one jar with meat in it and covered it. He set up another jar with meat in it but did not cover it. Once a week he counted the number of maggots present. What is the dependent variable?

• Amount of meat

• Amount of maggots

• Type of meat

• Weight of meat

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.

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

Which of these contains steps in the right order?

• Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion
• State your hypothesis, ask a question, research, experiment, analyze, make a conclusion
• Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion
• State your hypothesis, ask a question, research, make a conclusion, experiment, analyze

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS3-4

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

NGSS.MS-PS2-2

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

Tags

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3