Science Crossword Puzzles

system responsible for breaking down food into essential nutrients, diaphragm contracts to allow air to move into the lungs during this event, sheets …

blind spot in retina, muscle that turns the eyes laterally, contains photoreceptors for vision, area of retina with most photoreceptors (greatest …

connects middle ear to throat (nasopharynx), external part of ear, contains hearing receptors, middle ear bone connected to eardrum, contains …

the line across the periodic table, the column down the periodic table, the smallest particle that makes up everything, the substances that are made …

the basic cell that makes up the nervous system and which receives and sends messages within that system, an extensive network of specialized cells …

this type of chromosome fragmentation occurs when the broken-off piece of chromosome becomes reversed and is then joined on again, this type of …

to darwin, this is the mechanism that directs evolution, the production of this is what darwin considered to be tbe first step of the two-step process …

this is exerted on a population due to the environment, and is considered to be a large influence on natural selection as an agent of evolution, this …

stores bile, which helps break down food, helps the frog breathe by taking in air and getting rid of carbon dioxide, pumps blood around the body to …

what spanish word does platinum derive from?, related to _ across, what does this word translate to?, what sort of metal is platinum?, as platinum is …

adjust measuring device, to a standard, international system of units, tentative solution to a problem, use of evidence to construct testable …

a gas produced by burning carbon and organic compounds and by respiration, commonly known as table salt, a simple sugar that is an important energy …

during this phase of meiosis ii, chromosomes are separated and go to each end of the cell, during this phase of meiosis ii, four nuclei form, and the …

dna is the only known chemical that is capable of _ itself, dna contains these, which guide repair and construction of cell parts, dna contains about …

are sometimes called pyrrhophyta , meaning “fire plants”, microorganisms that show optimal growth in highly acidic environments, organisms capable …

the basic unit of matter, consisting of a nucleus and electrons, the center of an atom, containing protons and neutrons, atoms of the same element …

a mixture that does not appear to be the same throughout, a mixture that appears to be the same throughout, uses the physical property of size to …

a calculation of the percentage of useful energy transformed, in a block of ice, the particles are gently.., heat transfer that does not require …

sugar found in adenosine triphosphate, the individual subunit of which proteins are made, composed of a central carbon atom bonded to an amino group, …

prepare phenol from chlorobenzene, synthesis of salicylic acid, convert aromatic amine to carboxylic acid, prepare phenol from benzene, distinguish …

basic unit of body structure, outer covering that encloses the cell, control centre of the cell, gel like fluid that supports a cells internal …

a protein that accelerates chemical reactions, a metabolic process that converts sugar to acids, gases, or alcohol, the process by which plants …

theory of relativity, laws of motion, atomic structure, radioactivity pioneer, black holes, quantum electrodynamics, electromagnetism, telescope …

nearest galaxy to the milky way, bright nebula in orion's sword, red supergiant star in orion, the brightest star in the night sky, space …

hunter constellation with the "belt" stars, contains the big dipper asterism, home to the little dipper and polaris, constellation shaped …

this a is a medicine that kills bacteria, this b is an alkali that helps digest fat and neutralize stomach acid, this c is the part of a plant cell …

a double helix structure that contains adenine, cytosine, thymine, and guanine, how dna is stored inside cells, when a characteristic doesn't …

the name for when large nuclei split apart, dense metal very good at absorbing radiation, the can be lowered into a nuclear reactor to slow fission …

this is a thin covering that surrounds all cells and controls the flow of materials in and out of a cell, this jelly-like substance fills the inside …

it’s the brightest, stellar compass, featured in the movie "contact", brightest in northern hemisphere, the virgin's ear, the heart …