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Science
California Science
Grade 4
e-Glossary
R
List of Words for Letter 'R'
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to hear the word and definition
repel
to push away
reproduce
to make new living things like the original
resistance
the ability of a substance to stop or slow down electric current
reverse fault
the crack or line between two plates that are pushing together
rift volcano
a volcano that forms where Earth's plates move apart
rock cycle
the series of processes that show how rocks change from one into another
rock-forming minerals
the types of nonliving substances common to rocks
root
the part of a plant that gets water and food from the soil