List of Words for Letter ‘I’
Click on 
to hear the word and definition
-
igneous Rock Rock that forms when melted rock in the form of lava or magma cools and turns into a solid.
-
inclined plane A straight, slanted surface that can multiply an effort force.
-
indicator A
material that changes color in the presence of acids or bases.
-
induced chargeA
charge that forms on an area of a neutral object when a charged object is placed near it.
-
inertia The
tendency of a moving object to stay in motion at the same speed and in the same direction.
-
infer To
form an idea from facts or observations.
-
inherited trait A
characteristic that is passed from parent to offspring.
-
insolation The
amount of the Sun’s energy that reaches Earth at a given time and place.
-
instinct An
inherited behavior, one that is not learned but is done automatically.
-
insulation
A material that does not conduct heat well.
Material that restricts the flow of electricity.
-
International Date The 180° line of longitude. Going west across this line adds one day to the date; going east subtracts a day.
-
interpret data To
use the information that has been gathered to answer questions or solve a problem.
-
invertebrate An
nimal without a backbone.
-
isobar A
line on a weather map that connects places with equal air pressure.