study of living things
Group of different organisms living in the same space
community
What is the difference between the independent variable and the dependent variable
IV - you the scientist pick what that is
DV - is what you measure
A tree grows 7 meters over four months
Is this
A) conclusion
B) Data
C) inference
Sam grows 1 foot in a year - which characteristic of life
growth and development
Which science and engineering practice is best represented by the following example:
A scientist made a diagram of the cell
Developing and using models
Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed. What step of the scientific method?
Test the hypothesis with an experiment
Which science and engineering practice is best represented by the statement
The scientist took the average of all of the data sets
Using mathematical and computational thinking
What is at least 2 reasons scientists peer review work?
help ensure quality
receive feedback
so procedures can be reviewed and retested
For a hypothesis to work, what must we be able to do?
Test it
Meaning: Maintaining a stable internal environment
Homeostasis
dinosaurs changed over time and eventually became birds
What cross cutting concept does a food chain or food web represent
systems and systems and models
Explain why each experiment needs a control?
answers will vary
How many variables are being tested in an experiment
one
List all 8 Characteristics of life
Energy, Cells, DNA, homeostasis, evolve, respond, grow/develop, reproduction
A lady bug and a robot are in the same room. Which is living and which is not. Give at LEAST 2 pieces of evidence to support your conclusion
Answers will vary
What are the three goals of science?
understand, explain, and investigate the natural world