What is the basic unit of life?
cell
What are Earth's four main spheres?
Atmosphere, Hydrosphere, Geosphere, Biosphere
What is the term for breaking down rocks?
weathering
What is something found in nature that people use to survive?
natural resources
What is a step-by-step process for solving a problem called?
scientific method
What tool is used to see cells?
microscope
Which sphere contains all living things?
Biosphere
What is the term for the movement of weathered material?
erosion
This resource is used more rapidly than it is produced?
nonrenewable resource
What is the first step in the scientific method?
Observation/question
What structure controls the activities of the cell?
nucleus
Which sphere contains soil and mountains?
Geosphere
What is the term for dropping sediment in a new place?
This resource will never be used up?
inexhaustible
What is an educated guess?
hypothesis
What is the function of the cell membrane?
controls what enters and leaves the cell.
Plants are part of which sphere?
Water freezing and breaking down a rock is what type of weathering?
physical
Diesel fuel is what type of resource?
nonrenewable
Which step follows the hypothesis?
experiment
Which scientist first observed cells?
Hooke
What three spheres are involved in the water cycle?
Hydrosphere, Geosphere, Atmosphere
A car rusting is an example of what type of weathering?
chemical
Diamonds are what type of resource?
nonrenewable
The part of the experiment that can be changed is called what?
variable