Unit 1 Review

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

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

• conclusion
• procedures
• materials
• responding variable

What is an observation?

• A scientific statement based on ideas

• Using your senses to notice what is going on around you

• To be unaware of your surroundings

• The question that you want an answer to.

A testable answer to a scientific question

• Question
• Observation
• Hypothesis
• Experiment

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

• scientific method
• recipe
• data collection
• metric system

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

Something that you keep the same in an experiment is called a(n) _________________________.

• variable

• control

• procedure

• conclusion

I want to know if low strength bleach, medium strength bleach, or maximum strength bleach will get Heinz ketchup stains out of white T-shirts the best. What is the variable in this experiment?

• the type of stain

• the strength of the bleach

• the color of shirt

• the brand of ketchup