Science Crossword Puzzles

earth's _ is rich in nitrogen and oxygen and it is the only world known to harbor life, _ , our home planet, is the third planet from the sun, _ …

measures temperature, a problem for discussion or investigation, loose clothing in a lab can cause these, this unit is used to measure mass, this type …

the smooth inner layer of the heart, where the heart is located in the thoracic cavity, pointed end of the heart, middle (muscle) layer of the heart, …

the movement of water molecules from an area of high water concentration to an area of low water concentration through a semi-permeable membrane, the …

who are known for their knowledge in astronomy, device used for seeing faraway objects, written document used to represent the positions and movements …

a reaction that gives out energy, a reaction that takes in energy, made by a chemical reaction, used up in a chemical reaction, often produced by a …

this process converts ammonia to nitrite and then to nitrate, this is the process by which nitrogen gas from the atmosphere is converted into ammonia …

controls what goes in and out of the cell, receives proteins from the er and packs them out to other parts of the cell, produces energy in plant …

single-celled organism that surrounds its food, one-celled organism that uses hair-like structures for movement, a collection of tissues that has a …

an inherited feature or characteristic, the number of chromosomes in your body cells, a chain of amino acids, a coiled up molecule of dna that is …

the explosive end of a super red giant, the amount of energy coming off the surface of a star, formed when hydrogen fusion begins and the energy in …

a dying phase of a star, _ nebula, what fire does, a heavenly body that produces its own heat, what stars do when they go supernova, the most common …

symbiotic relationship in which one species benefits while the other species is harmed, _ succession - change in the numbers and types of species that …

polysaccharide that plants use for structure and support, to hydrolyze a bond between two monomers, you would have to add a molecule of _ , -cooh is …

the flow of electrical charge, often through materials like wires, a complete path that allows electricity to flow, including a power source, wires, …

when two parallel wires carry currents in opposite directions, their magnetic fields _ each other, the galvanometer is connected in series with a …

structure of dna, one parent; no fertilization, segment of dna that codes for a trait, two parents; fertilization occurs, something an organism does …

water soluble protein; example: an enzyme, organic compound used to store energy; made up of carbon hydrogen and oxygen, a water transporting protein, …

it rotates to allow you to change the objective lenses, they magnify the specimen with a different power, either electric or a mirror. it passes …

the organ that pumps blood throughout your body, the organ where food is digested, the organ that helps you breathe, the organ that filters waste from …

sweat glands, breaks down urea in sweat and causes odors, waterproofing protein, worst kind of burn, glands that produce oil, oil, skin cells, …

nucleotide that transfers energy directly to a cell's chemical reactions, two or more atoms bonded together, polysaccharide that makes up cell …

organelle that contains its own genome, and that is found in almost all eukaryotic cells, the nuclear division process that is involved in the …

what is composed of 2 carbon rings?, according to chargaff's rule adenine pairs with what nitrogen base? it is only found in dna, a compound only …

solid substances in liquid, they do not dissolve, homogeneous mixture, the opposite of a substance that discourages the suspension of one liquid into …

two elements join together, 5 types that are different depending on the situation, able to reduce in liquid, _ displacement is when two elements swap …

plants that make their own food, gives live birth and has hair or fur, traits that are learned like riding a bike, more than one organisms that are …

a gland in the mouth that produces saliva to help break down food, the part of the digestive system that absorbs water and forms solid waste, the …

kills or inactivates most pathogens on surfaces (but not spores), uses steam under pressure to kill microorganisms, placed inside sterilization …

large molecules essential for cell structure and function, segment of dna that codes for a specific trait or protein, father of modern genetics, …