Science Crossword Puzzles

if no oxygen is available, cells can obtain energy through the process of, the phase of photosynthesis responsible for mainly producing glucose, …

a bony structure that forms the head in most vertebrates. it supports the structures of the face and provides a protective cavity for the brain, there …

wrist bones, collarbone, skull bone, thigh bone, thinner lower leg bone, upper arm bone, hipbone, palm bones, foot bones, kneecap, fingers and toes, …

helps bile to be more concentrated, produces hormone insulin and secretes it into the bloodstream, the main muscle of respiratory system, secretes …

the _ nervous system increases heart rate and stroke volume, the _ muscles are attached to the chordae tendineae, what is the amount of blood pumped …

senses external environment and communicates with and activates other parts of the body, protects against foreign substances, allows ingestion and …

c1, very first bone in the neck, c2, second bone in the neck, neck region of spine, chest region of spine, lower back region of spine, long, thin, …

a hierarchical structure that depicts the patterns of energy flow between different tropic levels within an ecosystem, refers to a relationship in …

take in food, digest food into smaller molecules and absorbs nutrients, protects organs, provides shape support, stores materials(fats, minerals), …

system bring oxygen to the body, blood vessels that carry blood toward the heart, stretchy sac for temporarily storing urine, blood cell that defends …

a tube that is held open by c-shape rings of cartilage; connects the larynx and the bronchi, the organ of the lymphatic system in which t cells …

the rate at which an unstable nucleus decays, particle made up of a helium nucleus, the unit of radioactive decay, name of the model of the atom that …

the _ is the primary source of scatter radiation, "radiation burn", controls the black and white, _ is a object that has been in contact …

set of three nitrogen bases that represents an amino acid; order of nitrogenous bases in mrna determines the type and order of amino acids in a …

something burning, heat always _ from hot to cold, deals with matter and energy, the starting chemicals of a reaction, one of the products of …

atoms with the same number of protons but a different mass number, when a ligand has multiple coordination sites and will bond to a metal center in …

a chemical bond resulting from the transfer of electrons, this shows the elements in the compound and the ratio of atoms, in a covalent bond, …

the process by which white blood cells engulf and digest invading pathogens, a type of white blood cell that produces antibodies in response to an …

a device that uses a magnet to convert sound into electrical charges, an electrical circuit that produces a magnetic field, materials that do not …

the _ happened 13.7 billion years ago when time, space, matter, and energy began to exist, the universe as we know it today began as a hot, dense …

changes in the dna sequence, a type of mutation where one nucleotide is replaced with another, a mutation that shifts the "reading frame" of …

the only yellow metal, the universe’s most abundant element, has the atomic number 47, has the highest melting point out of all the metals, …

injectable induction agent known for rapid recovery, alpha-a agonist commonly used for sedation and analgesia, volatile anaesthetic agent with a lower …

object is furthest from the sun, a cloud of dust and gas, a large collection of stars, gas, and dust that is held together by gravity, the inward …

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

used to heat substances safely with a flame, glass container used for stirring, mixing and heating liquids, stand with three legs used to hold …

in chemical terms, a substance made up of one single compound or element, anything that occupies space and mass, another category apart from mixtures …

region over the dorsum where the neck joins the thorax and where the dorsal margins of the scapula lie just below the skin in equines, v-shaped pad 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 …

a tool used to measure liquids, a special kind of glasses that protect your eyes, a container used for heating or mixing liquids, a hot tool used to …