Earth Science
Physical Science 1
Physical Science 2
Life Science 1
Life Science 2
100
0 degrees C or 32 degrees F
What is the freezing point of water
100
the mixture of two or more metals
What is an alloy?
100
a subatomic particle with a negative charge
What is an electron?
100
a blood vessel that carries blood from the heart to the body
What is an artery
100
a molecule that absorbs red and blue light and reflects green. it also helps in he process of photosynthesis
What is chlorophyll
200
zone where cold air mass overtakes a mass of warm, moist air
What is a cold front
200

the number of protons in the nucleus of an atom

What is the atomic number?

200

matter that is shapeless and expands to fill any closed container it is placed in.

What is a gas

200
the organ that holds urine until it is eliminated
What is the bladder
200
organ that cleans and filter blood
What is a kidney
300
scientist who studies the weather
What is a meteorologist?
300
the smallest particle of an element
What is an atom
300

two or more substances together that can be easily separated

What is a mixture

300
smallest blood vessel that serves our cells with oxygen
What is a capillary
300

 xylem and phloem tubes in a vascular plant are this

What is a vascular tissue

400
the force of attraction between two objects
What is gravity
400

a measure of the force of gravity on an object

What is weight

400
particles made of two or more atoms that are held together with bonds. carbon dioxide and sugar are examples of these. the result of putting building blocks together.
What is a molecule
400
the basic unit of life
What is a cell
400
the part of the digestive system between the stomach and large intestine that absorbs nutrients from digested food.
What is small intestine
500

the layer of the Earth's atmosphere that is the coldest

What is the Mesosphere

500

A substance made of two or more different kinds of atoms. 

What is a compound?

500
the center of an atom
What is a nucleus?
500

the process by which energy for life is released from food in cells

What is cellular respiration

500
anything you can change in an experiement that might affect the outcome
What is a variable
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