Science Crossword Puzzles

made of rna; where proteins form, an organism composed of two or more cells, outer layer of the cell that controls movement of materials into and out …

it has two divisions, sperm and egg cells, only one set of chromosomes, replicating dna, where the cell division happens, the chromosomes search for …

a person who studies fossils, a type of fossil that is the preserved remains of an organism, such as bones, the current era, known as the 'age of …

tiny air sacs surrounded by tiny blood vessels, any of the major passages of the lungs which diverge from the windpipe, tiny tubes taking air to the …

the type of muscle that moves without you thinking, the type of muscle that moves when you tell it to, muscles that can be found in your stomach and …

_ has a storm system known as the great red spot, the inner planets are often called the _ _ (two words), the sun is closer than other stars, but it …

trap sunlight and make food for the plant, supports the plant to keep it upright so that leaves can receive as much sunlight as possible, can only be …

these organic substances that do not break up or dissociate when placed in water solution, a ph higher than 7 indicted it is a _ , this is water that …

a reaction where an acid and an alkali cancel each other out, the scale used to measure how acidic or alkaline a substance is, a substance that …

a combination of a substance's kinetic and potential energy, the state of matter with the highest amount of potential energy, particles in this …

powerhouse of the cell where cellular respiration takes place, process that releases energy by breaking down food molecules with oxygen to turn atp …

scientist who discovered gravity, to push an object without touching it, when one force causes another force to occur, unequal strength acting on an …

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 …

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, …

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 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 …

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 …

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 …

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

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 …

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

related to lungs. (9), vessels that take blood away from the heart. (6), the system of blood flow in the body. (10), capillaries allow this to happen …