Science Crossword Puzzles

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 …

a circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move easily over the ground, land transporter …

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, …

only star in the solar system, large mass of very hot gas, number of lunar months, minor bodies of ice, dust and rock, planet can be seen from earth, …

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, _ …

when two forces acting on an object are not equal in size or opposite in direction, resulting in a change in motion, when two forces acting on an …

this chronic condition inflames and irritates your digestive tract, the first part of the small intestine, a procedure that uses a flexible, lighted …

the principle stating that the total electric flux through a closed surface is proportional to the charge enclosed, the force between two-point …

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, …

lowercase r is an example of a _ trait, a mule is an example of a.., skin color, height, eye color are examples of.., the allele combination or …

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 …

takes place with any change of velocity, a length vector pointing to its starting point to its end point, how much a certain quantity changes, …

the rate of change of velocity over time, change in position of an object that is dependent on direction, the speed at any given point - what shows up …

this type of motion occurs when planets appear to "wander" through the sky, head librarian at alexandria; calculated the circumference of …

a push or pull on an object, the amount of force needed to move an object, when two forces acting on an object are equal and opposite, when an object …

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 …

the reproductive part of the plant, part of the cell where sunlight is used to make sugars for the plant, tube like structure that supports the stigma …

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

it is a push or a pull, the speed of an object in one direction, it is equal to 1/2 agt, the angle between the initial velocity of an object from a …

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 …

the class number of cough medicine (spelled out), drugs can show up in this for up to 3+ months, and can measure long-term drug abuse, a notable toxic …

this system starts in the mouth, helps movement of the body, maintaining posture, and circulating blood throughout the body, system that consists of …

substances that can't be broken down, tiny packets of electromagnetic radiation or energy, two or substances that have combined together …