Science Crossword Puzzles

muscle that helps your lungs pull in air and push it out, muscular tube through which food passes from the pharynx to the stomach, tiny air sacs in …

_ evolution is the process by which unrelated organisms evolve characteristics that are similar, basic unit of structure and function of an organism, …

a complete living thing, green pigment that absorbs energy from sun, a group of cells working together, contains dna in its own separate structure, a …

acronym for visible light, longest wavelength on em spectrum, green, blue, red, consists of types of radiation, waves and light, can't see …

a transparent optical element that disperses light into its color spectrum, the distance between two peaks of a light wave, the range of colors …

all of the nonliving parts of an ecosystem, any individual living thing, the transfer of energy from one organism to another through a food chain or …

these make up your skeleton, your taste buds are located in your mouth on this, liquid helps you swallow, it's not a musical instrument, but you …

he invented _ vaccine, tested on what animal first, born in what city, he is considered a researcher and, he never _ the vaccine, intern as a …

plant that completes its life cycle in 2 years, makes the food for the plant through photosynthesis and stores the food, attracts insects for …

when the moon fully blocks the sun, the amount of time it takes for the earth to revolve around the sun, when the moon is fully illuminated, the …

body’s process of keeping internal conditions within a narrow, healthy range. h _ _ _ _ _ _ _ _ _ s, control loop that detects change and triggers a …

farmers use _ change to help prevent plants from freezing, endothermic process that results in cooling you off, heat lost, when vapor …

the water that contains minerals & doesn't allow shampoo to lather freely is _ , the technical term for the scientific study of hair, its …

a particular trait that helps an organism survive in its environment, structural difference that perform the same function like different types of …

as, ga, ar, cd, cl, se, p, li, si, he, o, ti, h, f, ca, na, ni, cr, be, s, co, ru, al, rh

anything that has mass and takes up space, when two or more substances are together in the same place but are not chemically bonded, two or more atoms …

a reaction that absorbs energy, a reaction that releases energy, a substance that can increase the rate of a reaction without being used up, the …

what dissolves solute?, in a mixture of sugar and water, the sugar is the _ , name for something made from only one type of molecule, two or more …

_ system - organized network of nerve tissue in the body, _ system - glands and organs that make hormones and release them into the blood, _ system …

(nh4)+, (no2)-, (no3)-, (so3)2-, (so4)2-, (hso4)-, (oh)-, (cn)-, (po4)3-, (hpo4)2-, (h2po4)-, (co3)2-, (hco3)-, (clo)-, (clo2)-, (clo3)-, (clo4)-, …

the reflection of sound that can be heard. (4), point where a longitudinal is squeezed together. (11), to move to and fro about a certain position …

used to detect nuclear particles as a visible path of droplets, uses tracks of bubbles to detect radiation, comprised of two protons and two neutrons, …

the total length of path traveled by the object, either the maximum or minimum speed allowed for vehicles, the starting point or the origin for …

the three tiny bones of the ear (8), sound waves have wave size or (9), sounds are made by _ (10), "high or low " - this is related to sound …

what happens when water freeze?, do particles move fast or slow when heat up?, a change in which a substance combines with another substance to form a …

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, …

this element has 8 protons, a compound molecule made of 1 oxygen and 2 hydrogen, _ are living things that make up organisms. made of atoms, a …

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 …

lowest possible temperature; the temperature at which all molecular motion ceases, temperature scale in which the freezing point of water is 0 °c, …

must be supported by measurable evidence, the study of the solid earth, notice something, the study of the universe beyond earth, test the hypothesis, …