vocab 1
_______________ _____________- an experiment in which one and only one variable is manipulated in order to assess its effect on the outcome of the experiment
Controlled experiment
what is an observation -
using your five senses
what is a question -
asking something
what is a hypothesis -
an educated guess that is sometimes correct
___________- any motion or activity that repeats itself
cycle
____________- a mass that hangs down from a rope, chain, or other support, free to swing back and forth when put into motion
pendulum
what is a experiment -
testing your hypothesis to see if you were correct
what is a result -
analyzing data from your two-coordinate graph
what is a conclusion -
was your hypothesis correct, share to the world of your results
______________- the basic procedure used in a controlled experiment before changing any of the variables
standard
_____________- a set of objects that could be related in some way and could be isolated for study
system
what is the conclusion of pendulums
the bigger the size of the length of the rope, the fewer cycles it will take.
________-_________ _________- coordinate graph used to show the results of an experiment
two-coordinate graph
_____________- a factor or condition that can change and might affect the outcome of an experiment
variable
what was the conclusion of the lifeboats
the larger the capacity, the greater the passengers that will go into the boat
What are the six scientific steps in order?
Observation, Question, hypothesis, Experiment, Results, and Conclusion
What does dry mix stand for?
dependent variable, result, y-axis
manipulate, independent variable, x-axis
___________ ____________- the variable that we change or manipulate in an experiment
independent variable
___________ __________- the variable that we measure in an experiment
dependent variable
How does the amount of oxygen in the water affect the oyster population? - independent variable, dependent variable, and controlled variable
independent variable - amount of oxygen
dependent variable oyster population
controlled variable - temperature of water, environment, type of water, time of year
how does the distance from an eye chart affect the number of letters that are recognized on a line? - independent, dependent, and controlled variable(s)
independent variable - the distance
dependent variable - number of letters
controlled variable - testing conditions, chart, environment,
Ari wants to know if the size of the cookie determines how long it needs to bake. He decides to do an experiment to find out. (independent variable, dependent variable, controlled variable)
independent variable - size of cookie
dependent variable - time to bake
controlled variable - temperature, cookie sheet, recipe, oven
________________ _____________- the variables that we keep the same in an experiment
controlled variables