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17 Cards in this Set

  • Front
  • Back

series of steps scientist use to solve problems

1.observation

2.research


3.form a hypothesis


4.experimentation


5.analyze data


6.draw a conclusion hypothesis is not supported then modify the hypothesis.

control group

Group that is not tested used for comparison to experimental group

independent variable

Factor that is changed in the experiment only one factor can be changed.

dependent variable

factor that is measured data.

constants

all the factors in both groups that stay the same

data

graphs of data can be in line or bar graphs

conclusion

must support or not support your hypothesis and based on data from your graphs.

mechanics

the study of motion of objects

kinematics

the science of describing the motion of objects using words diagrams numbers graphs and equations.

scalars

quantities that are fully described by magnitude alone

vectors

quantities that are fully described by both a magnitude and a direction

distance

a scalar quantity that refers to how far out of place an object is the objects overall change in position.

displacement

is a vector quantity that refers to how far out of place an object is the objects overall change in position.

speed

scalar quantity that refers to how fast it is measured by distance over time.

distance

a scalar quantity that refers to how much ground and object had covered during its motion

displacement

vector quantity that refers to how far out of place an object is ;it is the objects overall change in position

contact forces

Frictional force,tension force,normal force,air resistance force,applied force,spring force.