Animals
Matter
The Circulatory System
Weather
Oceans
100
an animal without a backbone
What is an invertebrate?
100
anything that takes up space and has mass
What is matter
100
the body system that carries blood around the body
What is the circulatory system
100
the day to day conditions of the atmosphere
What is weather
100
the part of a continent that extends under the ocean from the shoreline
What is the continental shelf
200
an animal with a backbone
What is a verebrate
200
the amount of matter making up an object
What is mass
200
a four chambered muscular organ that pumps bloodq
What is the heart
200
the measure of how hot or cold the air is
What is temperature
200
a deep, narrow valley in the ocean floor
What is the mid-ocean ridge
300
the five groups of vertebrates
What are fish, amphibians, reptiles, birds, and mammals
300
the state of matter with a definite size and shape
What is a solid
300
blood vessels that carry blood away from the heart
What are arteries
300
the temperature scale used by scientists in countries other than the United States
What is Celcius
300
water that moves in a certain direction
What is a current
400
three groups of invertebrates
What are cnidarians, sponges, worms, mollusks, echinoderms, and arthropods
400
the state of matter with no definite size and no definite shape
What is a gas
400
blood vessels that carry blood to the heart
What are veins
400
the measure of how much water vapor is in the air
What is humidity
400
the up and down movement of ocean water caused by wind
What is a wave
500
changes that begin and end with the same type of matter
What are physical changes
500
the state of matter with a definite size but no definite shape
What is a liquid
500
blood cells that carry oxygen
What are red blood cells
500
the movement of air
What is wind
500
the rise and fall of ocean water levels
What is a tide
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