Science Crossword Puzzles

the action of breathing air out of the lungs, organs of the respiratory system where gas exchange happens, muscles between the ribs that aid …

inflammation of the larynx, permanent enlargement of lower airways accompanied by destruction of alveolar walls, affecting its elasticity, bacterial …

pulmonary air passage that is usually 1 mm or less in diameter and lacks cartilage, separates the nasal cavity from the oral cavity, measurement of …

drawing in of a breath, abnormally fast respiratory rate, paired major organs of respiration that contains bronchi and are divided into clearly …

refers to layers of cells, cell division, cells which have an elongated shape, humans are created by, what is the first stage of cell division, …

the largest element in the fourth period, the largest element in the first period, the family of reactive nonmetals with seven valence electrons, all …

a halogen found in toothpaste (via fluoride), the eighteenth element and third noble gas, the eighty-sixth element and sixth noble gas, the …

[ar]4s2 3d10 4p3, 1s2 2s2 2p6 3s2 3p6 4s1, 1s2 2s1, 1s2 2s2 2p1, [ne]3s2 3p2, [ar]4s2, challenge level: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 …

in a multi-cellular organism, a group of cells working together, the cell's control center, grain-shaped organelles that produce proteins, some …

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

a unit of mass that describes the mass of an atom or molecule, at atom's central region, made up of protons and neutrons, a subatomic particle …

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

in order to be a(n) _ solution, the solvent must be water, mixture in which the composition is uniform throughout, a substance that is dissolved, a …

moving a body part backward, tissue that connects muscle to bone, movement that decreases angle between 2 bones, nearest to a reference point, injury …

a specialised cell that stores energy in the form of lipid and provides insulation, formed by elastin and allows ct to stretch, main type of protein …

the first part of the small intestine, one of its main tasks is to neutralise stomach acids passing into the intestines, as well as making bile, this …

it is a mixture of solvent and solute, it is the substance that dissolves, it is the liquid in which it dissolves, it is mixing with a liquid to make …

the "powerhouse" of a cell that converts energy stored in food to energy the cell can use, captures energy from sunlight and changes it to a …

they are in the middle, they are shiny, conductors, and malleable, they are on the right, dull, not conductors, and brittle, the most basic component …

a gas that can make balloons float or explode into a fiery mess, most wires are made of this metal, common radioactive element referred to in movies, …

the light may bounce off the object, we see things because ... from you enters your eyes, an object which is a source of light, an object which not a …

living parts of an ecosystem, a mixture in which two or more substances are mixed completely, the largest particles that make up soil, a pull or push …

icy body of frozen gasses, rocks and dust leftover from the formation of the solar system, minor planet, the most abundant elements in the known …

branch of science which deals with celestial objects, the world beyond the kármán line, 62 miles up, should be worn at all times when viewing the …

two substances mix completely though each other, separate a soluble solid and a liquid, tiny particles built in a regular pattern, solids that do not …

to use a paper and funnel to separate a solid from a liquid, when a liquid turns into a gas, a liquid with tiny solid particle hanging in it, a very …

the resistance the heart must overcome to eject blood, the amount of blood the heart pumps per minute, a bluish discoloration of the skin due to poor …

of the three astronauts, whose spacesuit looked the most different, saturn v is this, mission control is in this city, the astronauts brought back _ …

this is the enzyme which digests lipids, this is the enzyme which digests carbohydrates, this is the enzyme which digests proteins, there are 3 of …

each end of a magnet, what like magnetic poles do, what opposite magnetic poles do, a common magnetic metal, the area around a magnet where magnetic …