Science Crossword Puzzles

this is when the earth orbits the sun once in approximately 365 days causing changes in seasons, there are 4 rocky and small planets: mercury, venus, …

a mechanism that darwin used to explain how evolution could happen, matched the shape of the beaks of the finches, an animal that hunts and kills …

a brain _ can happen if you drink or eat something that is cold, lobe that controls vision, lobe that controls voluntary movements, reasoning and …

earths atmosphere is made up of 78% _ and 21% oxygen, the first life developed here, this layer protects earth from harmful solar radiation, 70% of …

the scientific study of plants, a scientist who studies insects, the scientific study of climate, the branch of science concerned with the chemical …

studying bumps on the skull to reveal someone's personality and mental abilities, neuronal junction; where transmission between nerve impulses …

the tails of phospholipids are, is found in the nucleus, _ is a segment of dna that carries out a particular function, also known as cell drinking, …

growth in size or increase in amount, the name given to the first four outer planets: jupiter, saturn, uranus, and neptune, uranus, neptune (frozen …

first planet found by the telescope, the densest planet, earths only proper natural satellite, shortest day, named after the roman god of war, …

factors that determine traits, offspring of parents that have different forms of a trait, the way an organism looks and behaves (tall or short), an …

particles have a fixed shape, can change its shape depending on the container, particles have a lot of energy, another word for objects around us …

this is a material made by mixing a metal with other things, the chemical called lime is made from calcium ..................., when we heat a …

do polar molecules attract each other?, electrons that play a part in the formation of chemical bonds are known as?, what bond is an attraction …

immense star systems held together by mutual gravity of its member stars, nebula that contains dust which scatters light enough to become visible, the …

involves alterations to gene expression and activity but not to the dna sequence itself, an enzyme that uses nucleotides to catalyze the creation of …

force holding atoms together in a molecule, type of bond where electrons are shared between atoms, bond formed by the attraction between oppositely …

a region of an atom that contains electrons. it's also known as an energy level, the total number of protons and neutrons in an atom, a subatomic …

to observe and check progress over time, a group of animals of the same type living close together, to use up a supply until it is gone, a group of …

is caused by a fast uptake of water, the most difficult type of weed to control, type of irrigation where water dribbles out of lines directly onto …

cells are usually loosely packed cube-shaped or elongated cells with a large central vacuole and thin, flexible cell walls, cell walls are also …

an influence that can change the direction or speed of an object. a push or a pull. measured in newtons (n), any thing that has mass and takes up …

added to soil to increase the amount of nutrients and increase yeild, when two opposing reactions take place at the same rate, plants need this to …

one of the three rites of passage stages, where individuals are separated from society, the study of human history including analysing physical …

a device used to measure blood-alcohol concentration, a byproduct formed when the body processes a drug, often analyzed in toxicology tests, a main …

acceleration is _ proportional to net force, a push or pull, acceleration is _ proportional to mass, _ the mass, doubles the acceleration, depends on …

the study of motion, the study of how things move, a coordinate system used to describe the motion of an object, a portion of a larger motion that we …

slime, is a slippery liquid, a current day shelled mollusk with tentacles, small aquatic snails with a shell that is broadly conical in shape and a …

include atom, molecules, and ions, the smallest particle that makes up everything, the particle formed when atom lose or gain electrons, made of two …

a substance like oil or water that reduces friction, something that pushes & pulls objects and makes them speed up or change shape, a design for …

the wing of a plane, air pressure decreases with higher _ , allowing an airplane to move at higher speeds, a swiss mathematician and physician who …