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Science1234567891
Science info
Question | Answer |
---|---|
What is science? | The way of gathering and organizing information about the world |
Goal of science? | to understand the world around you |
What is data? | recorded observations and measurements |
What is observation? (three things) | a way to gain knowledge; we use our senses; and also tools |
Classify? | putting objects in groups by how they are a like |
Infer/ Hypothesis | an educated guess or proposed solution to a scientific problem |
Estimation | a careful guess used to estimate Ex( size,speed,distance, time, age) |
Measurements | exact information you carefully gather (data) Ex( distance,speed,time,volume |
Predict | stating or saying what is going to happen in the future (based on past knowledge & experiences) |
Analyze | studying data while looking for trends and patterns |
Experiments | a way to test a hypothesis 1)variable experiment and 2) control experiment |
Variable | the factor that is being tested |
Independent variable | causes the change |
Dependent variable | changes in response |
Graphs in science | bar, line, pie(circle) |
circle(pie) graph | a divided circle; shows how something relates to the total; shows fractions and %s |
Bar graph | good way to compare data; only shows one set of data |
Line graph | has lines; used to express a relationship between two factors or variables |
x-axis | horrizontal line; independent variable (time) |
y-axis | vertival line; dependent variable |