The process where water turns into vapor.
What is evaporation?
An __________ is a part of the body that does a specific job, like the heart pumping blood or the lungs helping you breathe.
Organ
Any representation of a system (or its components) used to help one understand and communicate how it works.
Model
The layer of gases surrounding Earth.
What is the atmosphere?
This organ pumps blood throughout the body, delivering oxygen and nutrients.
The heart.
The process of water falling from clouds as rain or snow.
What is precipitation?
_____________ is a chemical substance that helps your body fight off an infection by killing harmful bacteria.
Antibiotic
A desirable outcome given up to gain another desirable outcome.
Trade-off
The gas we breathe in that is needed for survival.
What is oxygen?
This J-shaped organ stores urine before it leaves the body.
The bladder
When water vapor cools and turns into liquid droplets, forming clouds.
What is condensation?
Galapagos Finch
A series of steps that engineers follow to come up with a solution to a problem.
Engineering design process
Pellagra was initially thought to be caused by corn, but it was later discovered that...
Bad/Poor Diet
This organ absorbs nutrients from food and is about 20 feet long.
The veins.
The complete cycle of water moving through evaporation, condensation, precipitation, and collection.
What is the water cycle?
A disease that started in South America which causes skin conditions, insanity, and potentially death. What is the name of this disease?
Pellagra
The constraints of a project describe ___________________.
Limitations of the design
The lowest layer of the atmosphere where weather happens.
What is the troposphere?
This cone-shaped organ in the chest cavity expands and contracts to help you breathe.
The lungs.
The force exerted by the weight of air in the atmosphere.
What is air pressure?
This body system provides structure, support, and protection for the body's organs.
Skeletal System
A bird flies 50 meters in 10 seconds. What is its speed?
5 m/s
This tube-like structure connects the brain to the rest of the body and controls reflexes.
The spinal cord.
This organ absorbs nutrients from food and is about 20 feet long.
The small intestine.