Words that start with W

You waste something when you have it, but you don't use it, or you use it for less important things. Someone might waste their money by buying lots of pairs of shoes and then complaining later they have no money for other things.
Waste is also leftovers, or something that is no longer needed and becomes trash. Anything you throw away is waste.

Watch means to look at something for a period of time. For example, you can watch a bird fly, watch a movie, or watch a sports game. It can also be used if you want to tell someone to look - "watch out!"

extension A water wheel is a large wheel with paddles or buckets around its edge. It turns when moving water pushes against these parts. Water wheels are usually built next to flowing water.

The turning wheel can power machines, such as millstones that grind grain into flour, or pumps that move water. Water wheels were used thousands of years ago, long before modern engines and electric motors. Some wheels turn when water flows over the top, while others turn when water hits the bottom.

Watercress is a type of green leafy plant that grows in or near water. It has small leaves and a peppery, fresh taste.

People use watercress in salads and sandwiches, and sometimes in soups. It grows in clean, flowing streams and rivers, and it may also be grown in gardens or farms on wet ground.

A watering can is used to water plants. It has a handle or two you can hold onto, and the spout often has a lot of holes so the water doesn't wash away the soil around your plants, it falls gently like rain.

The watermelon is the fruit of a vine originally from South Africa. The fruit can be very big, and has a hard green rind with very juicy, sweet red flesh inside, full of black seeds. Watermelons are wonderful to eat fresh on a hot summer's day.

Something is watertight if it can hold a liquid like water without losing any of it.
Common things that are watertight include boats, buckets, cups and bottles.

Waves on the surface of the sea or a lake are caused by wind blowing over the surface. The longer the wind has been blowing in the same direction and the deeper the water is, the larger the waves can get.
Waves usually only break and make the familiar frothy edge on the wave when they reach the shore. They sometimes break out at sea when they get too steep. Surfers like to surf on breaking waves. The wave in the picture is breaking onto a beach.

extension The moon is waxing when it gets larger and brighter each night.

When the moon looks like it is getting smaller, it is called waning.

Weak means that something or someone is lacking strength, health, or energy/a>. If you're sick, you might feel weak.