Glossary results for "C"

a type of plant that is adapted to living in hot, dry environments

a chemical element with the symbol Cd and atomic number 48

a mineral that is found in your bones and teeth

a system for dividing time into regular intervals, such as days, weeks, months, and years

to make sure that a measuring tool is giving accurate readings

a chemical element with the symbol Cf and atomic number 98

a natural phenomenon that allows animals to blend in with their surroundings

a type of tooth that is found in mammals

means that something is stored in a can

a very small blood vessel

a constellation that is located in the southern sky

a small, hard container that holds medicine

a type of food that your body uses for energy

an element that is found in all living things

a gas that is made up of one carbon atom and two oxygen atoms

a special type of muscle that makes up the heart

large hoofed mammals that are found in the Arctic and subarctic regions

a German mathematician and physicist who is considered to be one of the greatest mathematicians of all time

a Swedish botanist, zoologist, and physician

an animal that eats meat

a German astronomer who discovered eight comets

a mold of something that has been made by pouring liquid into a mold and then letting it harden

a small, furry mammal that is often kept as a pet

a clouding of the lens in the eye that makes it hard to see

the larval stage of a butterfly or moth

a hole in a tooth that is caused by decay

an English-American astronomer who was the first woman to earn a PhD in astronomy from Harvard University

often used to describe objects in space, such as stars, planets and moons

the basic unit of life

a place where the dead are buried

a chemical element with the symbol Ce and atomic number 58

a chemical element with the symbol Cs and atomic number 55

a type of soil that is rich in calcium carbonate

a feature or quality that makes something what it is

a British naturalist, best known for his theory of evolution by natural selection

a Scottish chemist and inventor best known for his invention of mackintosh, a type of waterproof fabric that is made from rubber and fabric

a substance that has a specific composition and properties

a change in matter that results in the formation of new substances with different properties

the breakdown of rocks and minerals through the action of chemicals

the study of matter and the changes that matter undergoes

a young bird that has just hatched from an egg

a Chinese-American physicist who made important contributions to the field of nuclear physics

a human being who is not yet an adult

the period of human development from birth to adolescence

an ion, which is a charged particle

a chemical element with the symbol Cl and atomic number 17

a green pigment found in plants and algae

a solar physicist who studies the Sun

a chemical element with the symbol Cr and atomic number 24

means "long-lasting"

the hard, protective covering that encloses a butterfly or moth pupa during metamorphosis

a path that electricity can flow through

to move around in a circle or a loop

a network of organs and vessels that transport blood throughout the body

a group of things that share common characteristics

a tool used to identify organisms by asking a series of questions about their characteristics

to arrange things into categories or groups based on their shared characteristics

a natural material that is made up of very fine grains of minerals

a type of soil that is made up of very small particles, called clay minerals

the average weather conditions in a place over a long period of time

a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates

a scientist who studies climate

a pathway that electricity can flow through without interruption

items of fabric or other materials that are worn on the body to protect it from the elements, to keep it warm, or for fashion

a group of things that are close together

a solid, combustible black or brownish-black rock formed from the remains of plants that lived millions of years ago

near the sea or ocean

a chemical element with the symbol Co and atomic number 27

the force that holds molecules of a liquid together

a long, flexible object that is wound in a spiral shape

a subjective term that refers to a low temperature

animals that cannot regulate their body temperature internally

to put things together in order, especially pages of a book or document

a group of people or animals that live together in a particular place, usually under the control of another group

the process of adding colour to something

a vertical structure that is supported by a base

a chemical reaction that occurs when a fuel combines with oxygen and releases energy in the form of heat and light

to be closely packed together

to find similarities and differences between two or more things

a device that uses a magnetized needle to point north

a pathway that electricity can flow through without interruption

a part of something that is essential to its function

to squeeze or press something together so that it takes up less space

the amount of a substance in a given volume

the end of a piece of writing

the process by which water vapor in the air changes to liquid water

a state of being or a set of circumstances

the transfer of heat energy through direct contact

a material that allows electricity to flow through it easily

a three-dimensional shape with a circular base and a curved surface that tapers to a point

a tree that has cones and needle-like leaves

a protected area of land or water set aside for the conservation of nature

means to use something wisely and sparingly so that it is not wasted

a group of stars that appear to form a pattern in the night sky

the process of creating something by assembling materials

a force that is exerted between two objects that are in contact with each other

to make something impure or polluted

the shortening of a muscle or other tissue

the ability to influence or direct the behavior of something or someone

a scientific experiment in which all variables are kept constant except for the one being tested

a variable that is kept constant in an experiment so that the effects of other variables can be studied

refers to something that is pleasant, refreshing, or calm

stands for "Coefficient of Performance"

a chemical element with the symbol Cn and atomic number 112

a chemical element with the symbol Cu and atomic number 29

an underwater ecosystem characterised by reef-building corals

a long, thin, flexible piece of material that is used to connect or secure things

means to have a relationship with something else

the gradual destruction of a material by chemical or electrochemical reaction with its environment

the outer layer of the brain

the study of the origin, evolution, and structure of the universe

a soft, white fibre that is used to make clothing, textiles, and other products

the part of the skull that encloses the brain

a plant or plant product that is grown for food, feed, fiber, or other commercial purposes

a solid substance in which the atoms or molecules are arranged in a regular, repeating pattern

a three-dimensional shape with six square faces

a radioactive chemical element with the symbol Cm and atomic number 96

the flow of electric charge through a conductor

a small, transparent container that is used to hold samples in laboratory experiments

a three-dimensional shape with two parallel, circular bases and a curved surface that joins the bases