Life Science
The process where plants turn sunlight into chemical energy.
Photosynthesis
The number of planets in the solar system
8
When a ball is sitting, unmoving at the top of a hill, what kind of energy does it have?
Potential Energy
The name of the effect that drives global warming
The greenhouse effect
How many earths could fit inside the sun?
About 1 million!
The largest organ of the human body
The skin
The main three elements which make up our atmosphere
Oxygen, Nitrogen, and Argon
What are the three main parts of an atom?
The top three greenhouse gasses
Carbon dioxide, Methane, Nitrous Oxide(bonus points for water vapor!)
Why are flamingos pink?
Because the food they eat contains carotenoids, which have red, orange and yellow pigments. A flamingo outside of it's natural habitat could turn white instead!
The type of animal that only eats plants.
A Herbivore
The number of phases of the moon(bonus points for naming them)
8: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent.
Is light a particle or a wave?
Both!
Why is the ozone layer important?
It protects earth by absorbing harmful radiation from the sun.
Which is faster, an ostrich or a horse?
The sequence of who eats what or whom in a biological community in order to obtain nutrition
The food chain
The cycle that describes the path that water follows as it moves through different phases on earth and in the atmosphere.
The water cycle
What is the difference between speed and velocity?
Both measure the rate an object moves, but speed doesn't care about direction. Speed can never be negative.
How do dark colored and light colored surfaces contribute to global warming?
Dark colored surfaces absorb heat, light colored surfaces reflect it. Dark surfaces contribute to global warming.
How many hours does it take the average human body to digest food?
12 hours!
The powerhouse of the cell.
The Mitochondria
The usual cause of an earthquake
tectonic plate movement
What do we call an object whose speed is changing over time?
That object is accelerating.
When did green house gas emissions begin to rise and why?
In the 1850s, due to industrialization
What percentage of the human body is water?
60%!