Glossary results for "L"

a facility where scientific research, experiments, and measurement are performed

a chemical compound that is made in your muscles when you exercise

a controlled waste disposal facility where waste is buried

a chemical element with the symbol La and atomic number 57

the last part of the digestive tract

the non-feeding, typically worm-like, first stage in the development of an insect, mite, or other arthropod

the heat that is absorbed or released by a substance during a change of state, such as melting or freezing

the side-to-side direction

a dead language that was spoken in ancient Rome

the angular distance north or south of the Earth's equator

the first woman to earn a doctorate in physics, and the first woman to teach physics at a university.

a synthetic element, meaning that it does not occur naturally on Earth

a statement that describes a consistent pattern in nature

a lateral, flattened organ of a vascular plant, attached to the stem by a petiole (or leaf stalk)

a semiconductor device that emits light when current flows through it

a limb that is used for locomotion in vertebrates

the distance between two points

a prominent modern constellation in the northern hemisphere, depicting a majestic lion, and is easily recognisable by its distinctive group of bright stars

a polymath, meaning he was a person of wide-ranging knowledge and expertise

the branch of entomology that deals with the study of butterflies and moths

a simple machine that consists of a rigid bar that is free to pivot about a fixed point called the fulcrum

a group of stars that form a picture in the night sky of a weighing scale or balance

the sequence of stages that an organism passes through from its birth to its death

the way that a person lives their life

a type of energy that travels in waves

a natural phenomenon that occurs when there is a sudden discharge of electricity between clouds or between a cloud and the ground

a physical object that emits light

a jointed appendage that projects from the trunk of an animal's body

a type of rock that is made up of calcium carbonate

a function or equation that has a constant slope

the line along which light travels as it strikes a surface

the line along which light travels after it is reflected from a surface

the path that light travels from an observer's eye to an object

an American chemist, biochemist, peace activist, author, and educator and one of the founders of quantum chemistry

a class of organic molecules that are insoluble in water but soluble in organic solvents

a state of matter that has no definite shape but takes the shape of its container

an Austrian-Swedish physicist who made significant contributions to our understanding of the atom

the lightest metal and the third most abundant element in the Earth's crust

the largest organ in the human body

a synthetic element that has the symbol Lv and atomic number 116

something that is alive

reptiles that have scales, a long tail, and four legs

the force that is applied to an object, or the amount of work that an object has to do

a path that starts and ends at the same point

a Scottish scientist who was a pioneer in the study of thermodynamics, electricity, and magnetism

a French scientist best known for his work on germs and vaccines

a characteristic of sound that makes it sound deep or low

a substance that reduces friction and wear between two surfaces in contact

a chemical element with the symbol Lu and atomic number 71

a molecular biologist who has made significant contributions to the field of biotechnology

a scientist who studied the evolution of cells