Energy
What is energy?
The ability to do work or cause change
What body system controls and coordinates all body activities?
Nervous System
What is a cell?
The basic unit of life.
What is the water cycle?
The continuous movement of water on Earth.
What is the difference between weather and climate?
Weather is short-term atmospheric conditions; climate is long-term weather patterns.
What is the difference between kinetic and potential energy?
Kinetic energy is energy of motion; potential energy is stored energy.
What is fertilization?
The union of a sperm cell and an egg cell.
What is the difference between unicellular and multicellular organisms?
Unicellular organisms have one cell; multicellular organisms have many cells.
What two forces drive the water cycle?
Sunlight and gravity
Name one factor that affects climate.
Oceans, wind, latitude, or altitude.
What type of energy is related to heat?
Thermal Energy
Name the four stages of life.
Infancy, Childhood, Adolescence, Adulthood
According to Cell Theory, all living things are made of what?
Cells
What stage occurs when water changes into water vapor?
Evaporation
Which factor affects climate because places closer to the Equator receive more sunlight?
Latitude
What does the Law of Conservation of Energy say?
Energy cannot be created or destroyed, only transformed or transferred
Heat transfer through liquids and gases moving
Convection
Which type of cell has a nucleus?
Eukaryotic cell
What transformation happens in a toaster?
Electrical → Thermal
How does altitude affect climate?
Higher elevations are generally cooler.
According to the kinetic theory of matter, what are particles always doing?
Moving
Why are energy transformations not 100% efficient?
Some energy becomes thermal energy/sound
Give two differences between animal and plant cells.
Plant cells have a cell wall and chloroplasts; animal cells do not.
Give one example of energy transforming into more than two forms.
Example
What is a biome?
A large region with similar climate, plants, and animals.