Vocabulary
factor that the scientist manipulates in an experiment
independent variable
100 cm = ____________ m
100
analyze the results
step 5
The variable that is the first column of a data table
what is the independent variable
The heading of your data table and what goes on the top of your graph
factor that responds to manipulated variable
dependent variable
1 km = ________ m
test the hypothesis/experiment
step 4
variable that is recorded as data
dependent variable
A world wide accepted idea that explains why something is, but has not been proven yet
Scientific theory
a series of steps followed to solve problems
scientific method
3200 mm = _____ dam
.3200
communicate results/ conclusion
step 6
1st step of engineering process
What is identify the problem- establish expectations
If I use Keawe in my grill, then it will burn longer then other wood-like Cedar or Spruce. What is the dependent variable?
the time it takes the wood to burn.
using one or more of your senses to gather information directly or indirectly through the use of technology or instruments
observation
1240 hm = ______ dm
1,240,000
step 2
2 words used to structure a hypothesis (can use an example to explain)
If... then...
Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators. Control group =
The group without the calculators
judgment after data analysis from experiment
conclusion
54.2 cm = ______ hm
.00542
ask a question
step 1
I think basketballs inflated with more air bounce higher. Rewrite this statement as a testable hypothesis.
Katiana wanted to figure out what type of liquid worked best for growing beans. She watered one with coca-cola, one with lemonade, and one with just water. After one week, she measured how high they had grown.
independent variable=
type of liquid used for growing beans
An explanation or answer to a question that has been proposed
hypothesis
8768.3 mm = _____dm
87.683
form a hypothesis
What is step 3
last step of the engineering process
solve any problems- redesign and try again
Trevor wanted to find out what fertilizer worked best for growing marigolds. He put Miracle Grow on one, Scotts fertilizer on one, and no fertilizer on another.
IV= DV= Control=
IV=type of fertilizer
DV= growth/height of marigolds
Control= no fertilizer plant