Science Crossword Puzzles

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 …

the flow of electrical charge, often through materials like wires, a complete path that allows electricity to flow, including a power source, wires, …

the temperature at which liquid turns to a solid, the temperature at which a liquid boils and turns to vapour, breakability or flexibility, shininess …

surface resistance to relative motion, as of a body sliding or rolling, the force of attraction by which terrestrial bodies tend to fall toward the …

of or relating to the stars, everything that exists, including objects and energy, throughout time and space, a blocking of the sun's light that …

when you suddenly grow taller during puberty, male body parts that get bigger and start making sperm during puberty, girls get this once a month once …

last name of the scientist who named "cells", scientific tool that allows us to examine tiny cells, jelly-like substance that surrounds the …

has a mass of only between 1.35 and about 2.1 times that of our sun, it is 60,000 times smaller than the sun, "failed stars", which form …

a component that is dissolved and which is present in lesser amount, universal solvent, mixtures having a uniform composition throughout their bodies …

co2 released into atmosphere from burning, decomposers break down carbon from dead organisms, co2 released into the atmosphere as waste from …

a ratio expressed as a fraction that equals one, the ratio of the actual yield to the theoretical yield of a material, the volume occupied by 1 mole …

an idealized object that absorbs all incident electromagnetic radiation and emits radiation in a characteristic spectrum that depends only on its …

a sub atomic particle with a positive charge, an element with the symbol k, the number of electrons that will be an atom which has 12 protons, the …

involved in biological rhythms, responses to the water and salt imbalance, develops t cells, stimulates the thyroid gland, stimulates the metabolism, …

earth's only natural satellite, the force that holds stars in a galaxy together, the time it takes light to reach earth from the sun, a measure …

a hypothesized for of energy, believed to be responsible for the universe's every increasing rate of expansion, a star formed from a cloud of …

the amount of matter or stuff that makes up and object, the state of matter in which the molecules slide past each other and move at a medium speed, …

two _ are better than one. let\'s think about it together, follow your _ !, _ up! things will get better, can i tell you something? i need to get …

which is the most present gas in air?, what are at the end of every bronchiole?, which lung is smaller?, what is the addictive and harmful chemical in …

medical procedure involving incision or manipulation of body tissue, intensive care unit, for patients requiring close monitoring and support, group …

long, whip-like structures used by bacteria for movement, a differential staining method to classify bacteria as gram-positive or gram-negative, the …

describes materials that allows some light to pass through, but not all, bending of light, describes materials that do not let any light pass through …

the contest between the usa and the soviet union to see which country would be the first to conquer space, one of the two americans who first walked …

consume other living things for food, cellulose and autotrophic, cell wall made of chitin, _ fossil - characteristics of two or more groups, remains …

the force that holds particles together in the atomic nucleus, a subatomic particle that has no change and that is found in the nucleus of an atom, a …

a particle with a positive charge, an uncharged atomic particle, a particle that is found in all atoms, total numbers of neutrons and protons in a …

type of cell division that produces two genetically identical daughter cells, the cell _ is a rigid outer layer of plant cells that provides support, …

anything that has mass and takes up space (volume), a description of an object, a _ property describes how a substance appears, feels, etc. and can be …

device that produces energy by spinning big blades, which in turn spins a generator to make energy, cell that converts energy of sunlight into …

a devise that detects physical quantity, a step by step instructions that tell a computer to do something with data, the study of robots, a tiny robot …