q clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experiments
What is a test tube?
100
a functionally related group of elements
What is a system?
100
a complex community of organisms and their environment functioning as an unit
What is an ecosystem?
100
a deposit on the earth of hail, mist, rain, sleet, or snow
What is precipitation?
100
the substance of which a physical object is composed
What is matter?
200
protection for the eyes during an experiment
What are goggles?
200
the process by which plants and animals give rise to offspring
What is reproduction?
200
an animal lacking a backbone
What is an invertebrate?
200
having to do with the Sun
What is solar?
200
the mass of a object per unit volume
What is density?
300
a notebook for recording your hypothesis and results from an investigation
What is science journal?
300
to arrange in classes that have systematic relations usually founded on common properties
What is classify?
300
a habitat supplying the factors necessary for the existence of an organism or species
What is niche?
300
A rock formed from preexisting solid rocks by chemical changes, in response to extreme changes in temperature, pressure, and shearing stress.
What is metamorphic rock?
300
the conversion of a substance (as water) from a vapor to a liquid or solid
What is condensation?
400
a gas burner consisting typically of a straight tube with small holes at the bottom where air enters and mixes with the gas to produce an intensely hot blue flame
What is Bunsen burner?
400
an act, process, or instance of changing place
What is motion?
400
one that preys, destroys, or devours
What is a predator?
400
rock formed by solidification of magma
What is igneous rock?
400
a substances formed by putting two items together
What is a compound?
500
a tubular optical instrument for viewing distant objects in the sky
What is telescope?
500
something that furnishes proof
What is evidence?
500
an arrangement of the organisms of an ecosystem with predators and prey in which each uses the next lower member as a food source
What is a food chain?
500
a theory that the earth is divided into a small number of plates which float on and travel independently as a result of collided and shifting
What is plate tectonics?
500
the transfer of heat through matter from particle to particle