Practical Report terms

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

What two words should be in your hypothesis?

• I think

• My guess

• If... then

• No idea

What you measure or observe in an experiment.

• constant variable

• controlled variable

• dependent variable

• independent variable

The ONE thing you change in an experiment.

• constant variable

• controlled variable

• dependent variable

• independent variable

data gathered throughout an experiment

• evidence

• results

• significant

The things that are kept the same to ensure the results are due to the experiment is called..

• Control

• hypothesis

• Independent Variable

• Dependent Variable

Mrs. Cross wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the independent variable (thing that is changed)?

• Study time

• Test score

• Same assignment

Mrs. Cross wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the dependent variable (thing that is measured)?

• Study time

• Test Score

• Same Assignment

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable (what is measured)?

• amount of salt

• boiling point

• same amount of water

How are results usually displayed?

• Graph and table

• Graph and a sentence

• Table and a sentence

• Table and ask Ms Cross