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Science Crossword Puzzles
Free printable science crossword puzzles. Download pre-made or create your own Crossword using our crossword maker. Simply download, print and start playing or play online.
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 …
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 …
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 …
system to organize life into categories ie: kingdom, class, etc, the type of simple cells that lack a nucleus, level of taxonomy classification e.g. …
what type of vessel carries blood into the heart?, the left-hand side of the heart pumps _ blood around the body, white blood cells fight .., the …
the phase when the heart relaxes and fills with blood (8), the phase when the heart contracts to pump blood out (7), the blood vessels that carry …
the name given to the liquid part of blood, vessels that carries blood away from the heart, the substance in red blood cells that carries oxygen is …
state of matter that has an indefinite shape and an indefinite volume. the particles move independently of one another, base unit for volume, the …
direction in the response to an period inactivity in a prior to germination, evaporation of water from plant leaves, the outer layer or tissue in a …
