Glossary: Terms Starting with U
13 definitions in Science with links to the lessons that teach each word.
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unbalanced forces
ScienceFrom Grade 5
forces that are not equal
Learn it in: Balanced and unbalanced forces (Grade 5), Unbalanced forces (Grade 6)
understory
ScienceFrom Grade 2
the layer of smaller plants under the canopy
Learn it in: Forest habitats (Grade 2)
unit
ScienceFrom Grade 3
a standard amount used to measure
Learn it in: Observation and measurement (Grade 3), Recording results (Grade 3), Measuring accurately (Grade 4)
unlike poles
ScienceFrom Grade 3
two poles that are different
Learn it in: Attraction and repulsion (Grade 3)
use
ScienceFrom Grade 1
what a thing is for
Learn it in: Identifying objects (Grade 1), Everyday uses of solids and liquids (Grade 2)
useful energy
ScienceFrom Grade 6
energy used for the job wanted
Learn it in: Energy transfer (Grade 6)
useful output
ScienceFrom Grade 6
energy that does the wanted job
Learn it in: Energy efficiency (Grade 6)
user
ScienceFrom Grade 3
the person who will use a solution
Learn it in: Identifying practical problems (Grade 3), Identifying problems (Grade 5), Engineering problems (Grade 6)