Physical Science
What is the smallest unit of matter?
Atom
What layer of the Earth do we live on?
Crust
What is the term for all living and non living things interacting in an area?
Ecosystem
What is the unit of life?
A cell
What is the first step of the scientific method?
ask a question
What is the formula for calculating speed?
Speed= distance/time
What gas makes up most of Earth's atmosphere?
Nitrogen
What type of resource can be replaced naturally?
Renewable resource
What part of a cell contains genetic material?
Nucleus
What is a hypothesis?
An educated guess
What type of energy is stored in a stretched rubber band?
Potential energy
What causes Earth's seasons?
The tilt of Earth's axis
What gas is primarily responsible for global warming?
Carbon dioxide
What process do plants use to make food?
Photosynthesis
What is the variable that is changed in an experiment?
independent variable
What subatomic particle has a positive charge?
Proton
What type pf rock forms from cooled magma?
Igneous rock
What process converts waste materials into new material?
Recycling
What molecule carries genetic instructions?
DNA
What is the purpose of a control group?
to provide a baseline
What subatomic particle has a negative charge?
Electron
What scale measures the magnitude of earthquakes?
Richter Scale
What is biodiversity?
The variety of life is an ecosystem
What organ system transports oxygen and nutrients?
Circulatory system
What should you do after analyzing results?
Draw conclusions