Vocabulary
The process of objectively establishing facts through testing and experimentation
Scientific Method
To examine carefully by looking at all the data to determine what the data shows
Analyze
Put the following steps of the scientific method in order ( 1st - 6th ).
-Gather information
-Form a hypothesis
-Design an experiment
-Ask a question
-Share the results
-Analyze the data
-Ask a question
-Gather information
-Form a hypothesis
-Design an experiment
-Share the results
-Analyze the data
Observation: Juan is trying to grow plants.
Question: Will Juan’s plants grow taller if he puts them in the sun?
Independent variable?
sunlight
An organized procedure that puts your explanation (hypothesis) to the test
Experiment
Is the variable you manipulate, control, or vary in an experimental study to explore its effects
Independent Variable
What three words does a hypothosis need
If..., then..., because...
Observation: Juan is trying to grow plants.
Question: Will Juan’s plants grow taller if he puts them in the sun?
Dependent variable?
plant height
Can be answered through an experiment and observation, producing measurable results
Testable Question
Something that you can see, hear, taste, touch, or smell; in an experiment to collect data
Observation
An independent variable is what you ____________ in an experiment.
change
Observation: Juan is trying to grow plants.
Question: Will Juan’s plants grow taller if he puts them in the sun?
Make a hypothesis (using the three key words)
(answers can vary)
IF Juan grows his plants in the sun, THEN they will grow taller BECAUSE the sun acts as food for the plant.
Is the variable that changes as a result of the independent variable manipulation.
Dependent Variable
One characteristic of a testable question
-specific
-one variable
-measurable
A dependent variable is what you ________________ in an experiment.
measure
Observation: Michael is trying to grow flowers.
Question: Will Michael’s flowers have more blooms if they are given plant fertilizer?
Independent Variable?
Fertilizer/No Fertilizer
An “educated guess” or prediction about what will happen
Hypothesis
Scientists look for answers to _______ about the world around them
Questions
Observation: Michael is trying to grow flowers.
Question: Will Michael’s flowers have more blooms if they are given plant fertilizer?
Make a hypothesis (using three key words)
IF Michael uses plant fertilizer, THEN his plants will grow more blooms BECAUSE the fertilizer will provide more nutrients for the plant.
Observation: Michael is trying to grow flowers.
Question: Will Michael’s flowers have more blooms if they are given plant fertilizer?
Dependent Variable?
Number of blooms