Sunset is the time of day when the sun goes down below the horizon. The sky goes from dark to coloured with lots of shades of pink and orange and red and then to deep purple before the sun goes completely below the horizon and it is night time.
The time just after sunset before it gets completely dark is called dusk. The opposite of sunset is sunrise.
Someone is tanned if they have been in the sun a lot and their skin has a suntan. Being tanned makes your skin browner and darker than it would be if you haven't been tanned by the sun.
The tides are the rising and falling of the sea because of the pull of the moon and sun on the oceans.
The depth of the water near the coast can change by several metres between high tide and low tide. At low tide a beach may have much, much more sand exposed than at high tide.
The beach in the picture is at low tide. You can clearly see the dark mark on the jetty posts where the high tide comes to.
Something shines when a bright light comes from it.
Something can shine from a reflection or it may be the source of the light, like the sun in the picture.
A planet is a large body that orbits a sun. Planets, unlike suns, do not give off light. Our solar system has eight planets, nine including pluto. They are:
Sunburn is a type of burn that you get when you spend too much time in the sun without wearing sunscreen. Bad sunburn can be extremely painful, and can make your skin blister and peel. You treat sunburn the same way as any other minor burn, with special burn creams and even anaesthetic sprays. Too much exposure to the sun makes your skin age early and become dry and wrinkly, and can give you skin cancer.
