Science Crossword Puzzles

to take in or soak up, plant cell found in roots that is adapted for taking in water quickly, tube formed by the joining of many dead xylem cells, the …

process of transporting sugars and other organic compounds in the phloem, organ where photosynthesis primarily occurs, plant organ or tissue that …

this process converts ammonia to nitrite and then to nitrate, this is the process by which nitrogen gas from the atmosphere is converted into ammonia …

the rigid outer covering of plant cells, the jelly-like substance fills the cell and contains various organelles, the term for the sum of all chemical …

the kind of birds that darwin noticed on the galapagos islands, blend in with surroundings, any variation that makes an organism better suited to its …

this refers to a cell's watery surroundings, this describes the main structure of a cell membrane, this model of the cell membrane includes embedded …

proteins in the plasma membrane that carry out final stages of starch and protein digestion in small intestine, the mesh-work surrounding animal …

model in which proteins and a lipid bilayer exist side by side without covalent bonds between them, one of the three classes of proteins; also known …

where carbon is originally located, non-living things, element that has to be converted through nitrogen fixation, process of chemical elements being …

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

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 …

an object in space in which the gravity is strong enough from preventing even light from escaping, the type of black hole in the center of most …

the tendency of all objects to resist a change in motion, the combination of all the forces acting on an object, a friction-like force that opposes …

_ potential energy is due to an object's shape, si unit that means the amount of energy needed to apply a force of 1 newton over a distance of 1 …

single-celled organism that surrounds its food, one-celled organism that uses hair-like structures for movement, a collection of tissues that has a …

pick the best conductor, what stops electricity from flowing?, when electricity flows it is called a, pick the best insulator, water is a conductor? …

the shape of a dna molecule is a double _ , dna must _ in order for new cells to be made, this is the type of sugar found in dna, this is the type of …

period during rotation when earth is facing the sun and it is lighted, includes the 4 compass points of north, south, east and west, period during …

positively charged particle, high energy em wave, a neutral particle in the centre of a atom, unit of energy, negatively charge particle which orbits …

change in frequencies of alleles in a population across generations, pattern of evolution at or above the species level, probability of offspring …

molecules that control and regulate the cell cycle, cancerous cells can develop into large masses called--, the process of dividing the nucleus, …

an _ is a mixture made of two or more elements, at least one of which is a metal, when a neutral atom gains an electron, it gains negative charge and …

rna contains this sugar, rna has this nitrogenous base, rather than thymine, which is in dna, this initiator codon in mrna signals protein synthesis …

nutrient molecules passed through the wall of your digestive system into your blood, the large intestine ends in a short tube called the _ , the …

the basic structural and functional unit of life forms, the only type of cell used in mitosis, the process of the cell splitting for body cells, the …

the building blocks of nucleic acids, the nitrogen-containing base that pairs with adenine in dna, the nitrogen-containing base that pairs with …

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 …

in the _ . both mechanical and chemical digestion take place, _ is chewed food mixed with saliva, the small flap of cartilage that closes over the …

shorter then microwaves, just greater then the red light, longest wavelength, a little bit shorter then radio but longer then infrared, very short …

the aqueous space outside the stacks of thylakoids, the process in which a single cell divides to form two daughter cells and the cell plate is …