Glossary results for "A"

to take in something

when there is a lot of something

a substance that makes things taste sour

rain that is more acidic than normal rain

a chemical element with the symbol Ac and atomic number 89

sharp or severe

she is considered to be the first computer programmer

to change in order to fit new conditions

the ability of an organism to change or adjust to its environment

the time between childhood and adulthood

a term used to describe a person who has reached full growth and maturity

a term used to describe a plant that has reached full growth and maturity

the force that air exerts on objects that are moving through it

the father of theoretical computer science and artificial intelligence

a German-born theoretical physicist who developed the theory of relativity

a type of liquid that can be found in many things, such as beer, and wine

an Italian physicist and chemist who is best known for inventing the voltaic pile, the first battery

a Scottish bacteriologist who discovered penicillin, the first antibiotic

a Scottish-born scientist, inventor, and engineer who is credited with inventing the telephone

a Swedish chemist, engineer, inventor, businessman, and philanthropist, best known for inventing dynamite, a powerful explosive, and bequeathing his fortune to establish the Nobel Prizes

a very smart man who figured out how animals and plants change over time

tiny plants that live in water

an African-American chemist who developed a more effective treatment for Hansen's disease (also known as leprosy)

an American bacteriologist who conducted pioneering research on milkborne diseases

an American entomologist who specialised in the study of ants

to make something straight or in a straight line

a silvery-white metal that is the most abundant metal in the Earth's crust

a fossilised tree resin

a radioactive element that is created when uranium is fissioned

the building blocks of proteins

a colourless gas with a strong, pungent smell

animals that can live both on land and in water

to describe how scientists make sounds or signals bigger so that they can be more easily heard or seen

the maximum distance that a wave travels from its resting position

the study of the structure of living things

a person from whom you are descended

a heavy object that is used to keep a boat or ship from drifting away

a Swedish astronomer and physicist who is best known for developing the Celsius temperature scale

a French physicist and mathematician who is considered one of the founders of electromagnetism

the space between two lines that meet at a point

a negatively charged particle

an African-American scientist who developed a new way to test for lead in drinking water

an American chemist who made significant contributions to the field of spectroscopy

an American biologist and science writer who is best known for her children's books about science

an American astronomer who is best known for her work on classifying stars

a British biologist who made significant contributions to the fields of genetics and developmental biology

something that is different from what is expecte.

a small insect that lives in large and highly organized groups

the southernmost continent on Earth

long, thin structures that are found on the heads of insects, spiders, and other animals

the part of a flower that produces pollen

a chemical element with the symbol Sb and atomic number 51

a French chemist who is considered to be the "father of modern chemistry"

means "at the tip" or "at the top"

a collection of equipment used in science experiments

a device that is used to do a specific task

the fourth month of the year in the Gregorian calendar

the Aquarius constellation is best seen in the winter sky, during the months of January and February

means "living in water"

a curve that is part of a circle

a Greek mathematician, physicist, engineer, inventor, and astronomer

the region around the North Pole

a chemical element with the symbol Ar and atomic number 18

a constellation in the night sky that represents a ram

a part of the human body that is located between the shoulder and the hand

a chemical element with the symbol As and atomic number 33

a blood vessel that carries blood away from the heart

asexual organisms can reproduce by themselves, without the need for a partner

a chemical element with the symbol At and atomic number 85

the study of everything in the universe beyond Earth's atmosphere

the study of the physical and chemical structure of the stars, planets, and other natural objects in space

the layer of gases that surrounds Earth

the smallest unit of matter that can exist

a large chamber in the heart that receives blood from the veins

to draw something towards you

the eighth month of the year in the Gregorian calendar

something done by a machine or a computer, without any human intervention

the season between summer and winter

the science and practice of flying

means "related to an axis"

a line or an imaginary line around which something rotates