Science test unit 1 Flashcards
Science
A way of leaning about the natural world
Qualitative observation
deal with descriptions
Quantitative
deal with numbers or amounts
Biology
the study of living things
Scientific Method steps
- state the problem 2. Gather information 3. Form a hypothesis 4. Test the hypothesis 5. Analyze data 6. Draw conclusions
technology
How people changed the world around us to meet their needs
system
Contains parts that work together
Biologist
scientists who study living things
hypothesis
an educated guess about your question based off your current knowledge
scientific law
a statement that describes what scientists expect to happen every time under particular set of conditions
state the problem
begin with a problem or questiontion
Gather Information
gather information about your question
form a hypothesis
must be testable
test the hypothesis
Independent variable - the one variable that changes to test a hypothesis dependent variable - factor that changes in response to independent variable
analyze data
Data – the facts, figures, and other evidence gathered
through observations
Data table – organized way to collect and record
observations
Graphs can be used to interpret data to reveal patterns
or trends
draw conclusions
state weather the data supports or disproves the hypothesis, new questions may be raised, leading to new hypothesis
observing
using one or more of your senses to gather information
Inferring
takes observing one step further , inferring needs a person’s perspective and feelings
predicting
Based on both observations and inferences we can
predict an outcome.
classifying
Based on both observations and inferences we can
predict an outcome.
making models
Models are a scientist’s best friend.
Models are representations of complex objects and
processes.
Look around the room? Are there models here?
Are models always:
Larger?
Smaller?
The same size?
difference between dependent and independent variable
One changes and one stays the same
