Science Crossword Puzzles

meaning of ph, when acid reacts to base and produce salt and water, has a ph level of 7, an indicator that is colorless and turns to pink when …

when atoms combine they form a chemical _ , iron can be separated from a mixture using a _ , an element is any substance that cannot be _ down into …

a specific characteristic of an individual organism, instruction for making a protein molecule, a random change in a gene that sometimes results in a …

slightly movable joints, the place where two bones come together, bone shape that is thin and flattened e.g. sternum, freely movable joints, bone …

inventor of the light bulb, known for alternating current (ac) power, revolutionized car manufacturing with the assembly line, pioneers of the first …

what theory did he develop?, whose house did he threaten to burn down?, what type of math did he develop?, who said he was the smartest person to ever …

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 …

how much matter is packed in a given space, the form that a solid keeps on its own, when a solid gets bigger when heated, ability of a solid to …

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 …

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

spiral galaxies are usually the _ , the force holding a galaxy together, a spiral galaxy contains both _ and old stars, this galaxy has very little …

the closest galaxy to the earth, the strongest material in the known universe, the largest zodiac constellation, and the 2nd largest constellation …

outer layer and largest part of the sun's atmosphere, two or more stars revolving, explanation for the beginning of the universe, lowest layer of …

a person who is trained to travel in a spacecraft, this dwarf planet was previously a part of our solar system, the name of an object used to help us …

what planet has the diameter of 12,104 km, jupiter has 67 _ , what planet is 67.2 million miles from the sun, what planet has the diameter of 6787 km, …

the path an object takes as it moves around something, when a planet spins on its axis, a rock from space that burns in earth’s atmosphere, when one …

an object is moved away from something;, the north and south poles are opposite ends of a magnet (the magnetic field flows from north to south);, a …

a chemistry student has to deal with these when the double bond in an alkene is not off the first carbon, this is the term for a geometric isomer that …

a compound containing hydrogen and carbon only, a reaction in which energy is transferred from the reactants to the surroundings. the temperature of …

process used by scientists to test their hypothesis, the measurable variable that changes in resp[onse to the independent variable, factors that stay …

heart, arteries, capillaries and _ , collects and disposes of lymph fluid, supports and protects, parts of the digestive tract include stomach, mouth …

a mechanism that darwin used to explain how evolution could happen, matched the shape of the beaks of the finches, an animal that hunts and kills …

the scientific study of plants, a scientist who studies insects, the scientific study of climate, the branch of science concerned with the chemical …

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 …

is called the "red planet" due to rust on its surface, rotates on its side, abbreviated am, planet with the most extreme temperature range, …

an enzyme that catalyzes the conversion of glucose to glucose-6-phosphate in the glycolysis pathway, a blood protein primarily responsible for the …

coldest point, an instrument for determining the temperature, a form of energy that an object or a particle has due to its motion, the transmission of …

a region of space having a gravitational field so intense that no matter or radiation can escape, the displacement of spectral lines toward longer …

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 …

carbon in fossil fuels, heat energy that comes from the natural radioactive decay of elements deep within earth, property of a building material that …