Science Crossword Puzzles

one complete orbit of a planet around the sun, or the moon around the earth, also called petroleum; a fossil fuel formed from dead algae and plankton …

is used in the production on cheese and yoghurt, part of the bodies first liine of defence that surrounds your body, how yeast cells replicate, the …

how well a substance conducts electricity or heat energy, describes how matter responds to a magnetic field, the way the surface of a substance looks …

provide energy and found in foods like bread and pasta, needed for growth and repair, found in meat and beans, another name for fats, found in butter …

property of metal to be easily broken into pieces or powder form, a mineral deposit containing enough metal to allow economical recovery of it, a type …

vertical plane that runs directly down the middle of the body, dividing it into right and left, the body is lying down with face pointing upwards, …

a component that is dissolved and which is present in lesser amount, universal solvent, mixtures having a uniform composition throughout their bodies …

which is the most present gas in air?, what are at the end of every bronchiole?, which lung is smaller?, what is the addictive and harmful chemical in …

the byproduct of anaerobic respiration in muscles, the type of respiration that occurs without the presence of oxygen, respiration occurs in the …

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 …

capacity to cause change, disorder/randomness of a system, reaction in which free energy is absorbed, the energy molecule in cells, other term for …

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 …

it is a measure of the tendency of an atom to attract a bonding pair of electrons, it is a bond in which the distribution of electron between two …

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 …