Vocabulary 1
an organized procedure to study something under controlled conditions
experiment
sum of the data values divided by the number of data values (average)
mean
Is a hypothesis and prediction the same thing?
No
The higher the temperature of the air in the oven, the faster a cake will bake.
What is the independent variable?
temperature of air in the oven
All of the ________ gathered in an investigation must be recorded.
data
a pattern, plan, representation, or description that shows the structure or function of the thing that is studied
model
the process of obtaining information by using the senses
observation
Where is it easier to keep an experiment under controlled conditions?
Lab
Mia is training for a marathon. As she reads through her food & fitness tracking journal, she notices that she runs more miles on the days where she eats an apple with breakfast. What is the dependent variable in this scenario?
amount of miles ran
Any factor that can change in an experiment, observation, or model.
measurements and information gathered during a investigation that can be used in calculating or measuring
data
testable idea or explanation that leads to scientific investigation.
hypothesis
Where are two places where scientists may do experiments and take observations?
lab and field
Carlos is developing a new chocolate chip recipe. While testing recipes out, he notices that when he adds less and less flour to the cookie dough, the cookies get wider and spread out on the pan. What is the dependent variable in Carlos’ experiment?
size of cookies
Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. What is the independent variable?
depth of lake
The factor that changes as a result of manipulation of the independent variable.
dependent variable
The factor that is deliberately manipulated.
independent variable
Are repetition and replication the same thing?
no
Carlos is developing a new chocolate chip recipe. While testing recipes out, he notices that when he adds less and less flour to the cookie dough, the cookies get wider and spread out on the pan. What is the independent dependent variable in Carlos’ experiment?
amount of flour
Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. What is the dependent variable?
temperature of water
A factor that remains unchanged during an investigation.
constant
Testable idea or explanation that leads to scientific investigation.
Define hypothesis
A hypothesis MUST be __________
testable
Carlos is developing a new chocolate chip recipe. While testing recipes out, he notices that when he adds less and less flour to the cookie dough, the cookies get wider and spread out on the pan. Name a constant.
answers vary
What is a way to confirm an investigation is valid?
peer review
replication