Science Crossword Puzzles

single-celled organisms that make up domains bacteria and archaea, clusters of unicellular prokaryotes, rod-shaped prokaryotes, prokaryotes undergo _ …

natural _ - innate, another type of wbc, recognizes and destroy foreign cells including cancer cells, virus infected cells, bacteria and cells of …

a series of questions with yes or no answers to help you identify something, a scientist who organised living things and gave them each a two-part …

a frozen mass of different types of ice and dust orbiting the sun, a rocky mass up to several hundred kilometers wide that revolves around the sun, …

in chemical terms, a substance made up of one single compound or element, anything that occupies space and mass, another category apart from mixtures …

skin cancer that arises in the basal, or deepest, layer of the epidermis, inflammatory bacterial skin infection of the hair follicles and their …

the less numerous type of sweat gland; produces a secretion containing water, salts, proteins, and fatty acids, dense irregular connective tissues …

when the star burns the last of its fuel, our sun is this type of star, when the stars neutrons are smashed together, the stage when the super nova …

made of material left over from supernovas, the stage of a star's life that is a huge explosion, the first stage of a star's life, and when …

an evaluation point for fight or flight is that not all people respond in this way. what is the third response option ?, the gap between two neurons, …

how many kidneys do people normally have?, what organ regulates blood pressure and helps keep bones hard, this is added to processed foods, a high …

secrete thyroxin which regulates the metabolism, how much does the average horse's heart weigh, the act of breathing, the function of this body …

the process whereby cells become specialised for a particular function, stem cells taken from unused fertilised eggs after ivf treatment, part of the …

the reproductive part of the plant, part of the cell where sunlight is used to make sugars for the plant, tube like structure that supports the stigma …

lowercase r is an example of a _ trait, a mule is an example of a.., skin color, height, eye color are examples of.., the allele combination or …

f (8), fe (4), na (6), ca (7), as (7), at (5), c (6), ne (4), pb (4), n (8), o (6), he (6), p (10), h (8), zn(4), be (9), k (9), hg (7), ni (6), ag …

a measurement of temperature, a reaction that produces heat, an extremely small piece of something, another name for the molecules involved in a …

long part of bone, jagged bones, growth plate, partial fracture with one side of the bone unharmed, occurs when you have an underlying health …

a tool or object designed for a specific purpose, a connector used to supply power or link devices, a legal right granting exclusive ownership of an …

organisms that have recently evolved from the same organism, process of organisms changing overtime, a branching diagram illustrating evolutionary …

the lighter part of the shadow created by an eclipse, the first phase of the moon, it has no visible light, entire side of the moon is visible, when a …

a fun board game, but also the bones that keep your brain safe, the total number of cranial bones, the suture where the parietal bones meet the …

period during rotation when earth is facing the sun and it is lighted, includes the 4 compass points of north, south, east and west, period during …

a reaction where two or more reactants form a single product, a reaction where one reactant breaks down into two or more products, a reaction where a …

the process of removing one number from another, the central part of an atom, usually made of protons and neutrons, the mass of specific isotope of a …

a push or pull acting on an object, a force opposing motion that acts on an object, when an object experiences friction while in a fluid, something …

lost the ability to survive independently and became organelles (e.g. mitochondria and chloroplasts), early membranes trapped organic molecules inside …

energy that comes from changes in the nucleus of a atom, do not use their energy until they move, keep hot or cold in a object, energy stored in …

cells in the epidermis involved in immune defense, outermost layer of the epidermis, the primary type of cell found in the epidermis, transparent …

breaks down and churns food with acid, covering used by trees for protection, responsible for breathing in and out, pumping blood with nutrients and …