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What is a hypothesis?

• the thing changed on purpose in the experiment

• an explanation about what you observed

• using your 5 senses to gather data

• an educated guess about the outcome of an experiment

When is a hypothesis written?

• before you decide on a question

• after the experiment

• before the experiment

• after the conclusion

The independent variable is

• the part the scientist measures

• the part the scientist changes or is testing

• a letter

The dependent variable is the part

• the letter in the equation

• the part being changed

• the part being measured

When we write a conclusion, we state

• that our hypothesis was correct or incorrect.

• that our hypothesis was proven or disproven.

• that out hypothesis was a good guess or a poor guess.

Which step in the scientific method comes after writing the hypothesis?

• Test hypothesis

• Ask Questions

• Draw Conclusions

• Share Results

Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

• Monica's growth
• drinking milk

A researcher did an investigation to see if corn seeds would sprout at different times depending on three different water temperatures in which they were placed. What is the independent (also known as the manipulated) variable?

• How long to sprout

• Type of seed used

• Water temperatures

• How much water used

All the things that have to stay the same in an experiment (except for the one thing you change).

• independent variable

• controlled variable

• dependent variable

The Scientific Method is__________________

• an organized process to methodically analyze a question about the natural world.

• method that is only used by scientists.

• silly and should never be addressed.

• a process that needs to be fully completed before moving on.