preserved: This aromatic plant is very well preserved in the freezer.
to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed
tar: The tar trapped in the Filter contains many harmful substances.
a black substance, sticky when hot, used especially for making roads
fossil: Nothing of the kind was found fossilized in the geological column.
the shape of a bone, a shell, or a plant or animal that has been preserved in rock for a very long period.
amber: It is a great place to buy amber and silver.
a hard, transparent, yellowish-brown substance that was formed in ancient times from resin (= a substance produced by trees) and is used in jewellery.
mineral: This mineral regulates the levels of sugar in the blood.
a valuable or useful chemical substance that is formed naturally in the ground
impression: Combined with mysterious music, the scene leaves a strong impression.
An idea or opinion of what something or someone is like.
mold: The final products are released from the mold by scraper.
I want to make a mold in the shape of a cylinder.
trilobite: Learn about the first mass extinction through trilobite eyes.
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.
footprint: We are continuously searching for ways to minimize our environmental footprint.
the mark made by a person's or animal's foot
fish: Matt and Nick caught over 30 fish with great quality.
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
elenco: The wheel is made of cast iron, steel and rubber.
los actores de una película, obra de teatro o espectáculo.
carbon: Solvents that are organic compounds and contain carbon atoms.
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 cont
crab: This is a crab that we found under our bed.
a sea creature with five pairs of legs and a round, flat body covered by a shell, or its flesh eaten as food
trace: Said there was no trace of heat in the house.
to find someone or something that was no trace in tehe house:
mud: Craters of boiling mud emerged, along with other geothermal phenomena
earth that has been mixed with water
dinosaur: Imagine that someone is being chased by your 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.
sponge: Rub onto the silver with a clean cloth or sponge.
a soft substance that is full of small holes and can absorb a lot of liquid, and is used for washing and cleaning.
sand: They tend to hide under rocks and in the sand.
a substance that consists of very small grains of rock, found on beaches and in deserts
sediment: Removing or preventing the accumulation of sediment in water systems.
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.
horseshoe: It used to signify good luck to find a horseshoe.
a U-shaped piece of metal that is attached to the bottom of a horse's hoof to protect it