List of Words for Letter ‘W’

Click on to hear the word and definition

water cycle Describes how water moves between Earth’s surface and the atmosphere.
water vapor Water in its gas form.
Water vapor is an invisible gas.
weather What the air is like at a certain time and place.
The weather shown here is warm and sunny.
weathering The breaking down of rocks into smaller pieces.
Weathering caused these interesting rock shapes to form.
wedge A simple machine that uses force to split objects apart.
weight A measure of the pull of gravity on an object.
wetland An ecosystem where water covers the soil for most of the year.
wheel and axle A simple machine that consists of a wheel that moves around a post. The post is called an axle.
wind Moving air.
work What is done when a force changes an object’s motion.
You do work when you move a bow to play the violin.