trilobite:a simple, flat sea creature that lived in the earliest period of life on earth, with a hard outer layer and a body in three parts
noun:a animal thath exist befor the thinosaurs
mold:a soft, green or grey growth that develops on old food or on objects that have been left for too long in warm, wet air
noun:the food it´s bath wen has mould
fossil:the shape of a bone, a shell, or a plant or animal that has been preserved in rock for a very long period
noun:there in the museums are fossils of the dinosaurs
preserved:to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed
verb:i preserved my toys
mud:earth that has been mixed with water:
noun:the mud do wen the rain come
crab:a sea creature with five pairs of legs and a round, flat body covered by a shell, or its flesh eaten as food:
noun:i oredy see a crab
mineral:a valuable or useful chemical substance that is formed naturally in the ground
noun:the salt is a mineral
amber:a hard, transparent, yellowish-brown substance that was formed in ancient times from resin (= a substance produced by trees) and is used in jewellery
noun:the ambers come of the tress
sponge:a soft substance that is full of small holes and can absorb a lot of liquid, and is used for washing and cleaning
noun:the sponge drinks the water
trade:the activity of buying and selling, or exchanging, goods and/or services between people or countries
verb:you give something and they give you dad you want
fish:an animal that lives in water, is covered with scales, and breathes by taking water in through its mouth, or the flesh of these animals eaten as food
noun:in the oceans there are a lot of fishs
impression:an idea or opinion of what something or someone is like
noun:a thing that is good
horseshoe:a U-shaped piece of metal that is attached to the bottom of a horse's hoof to protect it
Noun:the horses used for not heart o the people to play
dinosaur:a type of reptile that became extinct about 65,000,000 years ago. There were many different types of dinosaur, some of which were extremely large.
Noun:in the museums have dinsaurs
cast:the doctor put thr cast
noun:there are too cains of cast
Carvon:a chemical element that exists in its pure form as diamond or graphite, and is an important part of other substances such as coal and oil, as well as being contained in all plants and animals
noun:the carvon they used to cook
sediment:a soft substance that is like a wet powder and consists of very small pieces of a solid material that have fallen to the bottom of a liquid:
noun:the sediment are in the rocks
footprint:the mark made by a person's or animal's foot
noun:the food let in some places
tar:a black substance, sticky when hot, used especially for making roads
noun:the tar used to make roads