Science Crossword Puzzles

the _ happened 13.7 billion years ago when time, space, matter, and energy began to exist, the universe as we know it today began as a hot, dense …

algae, protozoa, and fungi, fresh or salt water habitat, photosynthetic, unicellular or multicellular organism, corkscrew-shaped, spiral-shaped …

anything that has mass and takes up space, a substance in which a solute dissolve to form a solution, a mixture of one or more substances dissolved in …

capture the sun's energy and convert it into glucose, the er where the ribosomes are attached.., ribosomes make these.., the cell _ is found in …

senses external environment and communicates with and activates other parts of the body, protects against foreign substances, allows ingestion and …

farmers use _ change to help prevent plants from freezing, endothermic process that results in cooling you off, heat lost, when vapor …

male reproductive system, pump blood throughout body, responsible for the first step of digestion, something made of long, curved individual bones …

heart, arteries, capillaries and _ , collects and disposes of lymph fluid, supports and protects, parts of the digestive tract include stomach, mouth …

structures in the nose that filter air, first chamber blood enters from the body, cartilage tube lined with cilia and mucous; epiglottis is flap that …

helps bile to be more concentrated, produces hormone insulin and secretes it into the bloodstream, the main muscle of respiratory system, secretes …

a part of a plant that develops into a leaf or a flower, one of the usually brightly coloured leaf-like parts of a flower, the part of a plant that …

organ system that is a fast-acting control system of the body; responds to internal and external changes by activating appropriate muscles and glands, …

this is an alternative form of genes, this is an observable trait of an organism that can mask the recessive trait, the genetic makeup of an organism, …

percentage of fish's body mass that is muscle, some fish like tuna swim.., fish move in this type of motion, this fin propels the fish forward, …

the basic unit of life is the _ , _ are the structures within cells that perform specific functions, the process by which plants make their own food …

biomolecule made out of carbon (c), hydrogen (h), and oxygen (o), usually present in the ratio cₓ(h2o)y, smallest units of carbohydrates. they …

if you eat too much, it hurts, if you lie, it grows like pinocchio's, you carry a schoolbag on them, you put a scarf around it, girls make a …

evolutionary process in which some living things produce more offspring than others so the characteristics of organisms change over time, group of …

a back and forth repeating motion, how high or low a sound is, distance between two of the same points on a wave, _ range, the lowest and highest …

strong stimulant of uterine contraction which is released in high amounts during childbirth and in nursing women, the body's major metabolic …

energy that is transferred from one body to another as the result of a difference in temperature, degree of hotness or coldness of an object, heat …

an object that turns is a _ , the point around which the lever turns is a _ , when bending an arm, the _ is the pivot, when bending a leg, the _ is …

a unit of mass that describes the mass of an atom or molecule, at atom's central region, made up of protons and neutrons, a subatomic particle …

the difference between the largest score and the smallest score, a group of individuals randomly selected to represent a population (an unbiased …

the movement of molecules from an area of higher concentration to an area of lower concentration, growing of fruit, vegetables and flowers, any change …

an alternative way of moving the solvent using compressed air, the phase that holds back the components in the mixture, one of the pros of column …

first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible, the process of a …

the side of dna that is replicated continuously, always pairs with thymine, what the m in mrna stands for, the process of making an rna molecule using …

allows communication between the interior and the exterior of the cell. has a double lipid layer, contains dna, located within the nucleus. ribosomes …

the tendency of all objects to resist a change in motion, the combination of all the forces acting on an object, a friction-like force that opposes …