Glossary: Terms Starting with V
23 definitions in Science with links to the lessons that teach each word.
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vaccine
ScienceFrom Grade 2
a medicine that helps protect against disease
Learn it in: Science in health (Grade 2), Disease prevention (Grade 6)
vacuum
ScienceFrom Grade 4
a space with no matter
Learn it in: Sound travelling through materials (Grade 4), Sound propagation (Grade 6)
variable
ScienceFrom Grade 2
a thing that can change in a test
Learn it in: Conditions affecting plant growth (Grade 2), Scientific questions (Grade 3), Plant growth requirements (Grade 3)
vegetable
ScienceFrom Grade 1
a plant food such as spinach or carrot
Learn it in: Healthy food (Grade 1)
vein
ScienceFrom Grade 1
one of the lines you can see on a leaf
Learn it in: Leaves (Grade 1), Leaf functions (Grade 3), Circulatory system (Grade 5)
vertebrate
ScienceFrom Grade 3
an animal with a backbone
Learn it in: Vertebrates and invertebrates (Grade 3), Vertebrates (Grade 6)
vibrate
ScienceFrom Grade 1
to shake back and forth quickly
Learn it in: What is sound (Grade 1), Vibrations (Grade 2), Sound production (Grade 4)
vibration
ScienceFrom Grade 2
a quick back-and-forth movement
Learn it in: Vibrations (Grade 2), Sound energy (Grade 5), Sound vibrations (Grade 6)
virus
ScienceFrom Grade 6
a tiny particle that can only reproduce inside living cells
Learn it in: Microorganisms introduction (Grade 6)
vitamin
ScienceFrom Grade 3
a protective nutrient in fruit and vegetables
Learn it in: Nutrition (Grade 3)
voltage
ScienceFrom Grade 4
the push that drives current
Learn it in: Cells and batteries (Grade 4), Electrical energy (Grade 6)
volume
ScienceFrom Grade 1
how loud or soft a sound is
Learn it in: Loud and soft sounds (Grade 1), Liquid materials (Grade 2), Sound and distance (Grade 2)
volume control
ScienceFrom Grade 1
a button that makes sound louder or softer
Learn it in: Protecting our hearing (Grade 1)