Science Crossword Puzzles

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 …

leaves, flowers, cones, and secondary stems grow at these points where a bud of meristem tissue divide and specialize to form these particular …

the idea that all living organisms are descended from a single ancestor or a small group of ancestors, the process through which species change over …

something that does not easily allow the transfer of heat or electricity, the standard measurement of energy, the amount of energy required to raise …

a radiation absorbed dose, combining two smaller helium nuclei to get energy, the number of protons in an atom, atoms of the same element with a …

the tiniest possible unit of an element, has no charge, holds protons together in the nucleus, an object that attracts iron, nickel, and cobalt, a …

heterotroph; depends on primary producers for energy, autotroph; converts sunlight and chemical energy into energy used by the rest of food chain, the …

comes from things like the sun, light bulbs and candles. it bounces off of things and allows us to see, curved mirrors that allow us to see a wider …

the distance between two identical points on a wave, a smooth surface that reflects light to form images, a line that indicates the path of light, …

a large evergreen tropical tree that grows edible fruit. planted in the spring and in the fall it produces showy green leaves that have a yellow-green …

the movement of molecules from an area of higher concentration to an area of lower concentration, growing of fruit, vegetables and flowers, any change …

when the plant or plant products are used by humans, when humans use the animal and animal products that feed on plants and plant products, plants …

binary _ _ _ _ _ _ _ , in meiosis the number of chromosomes are _ _ _ _ _ _ _ by half, sexual reproduction occurs in a _ _ _ _ _ , phase of mitosis …

the reproductive part of the plant, part of the cell where sunlight is used to make sugars for the plant, tube like structure that supports the stigma …

do polar molecules attract each other?, electrons that play a part in the formation of chemical bonds are known as?, what bond is an attraction …

this loop of _ is comprised of the descending and ascending limbs. bonus: also called the _ loop, precursor to urine, t/f: it is common to have …

the time when the sun first appears in the sky, the space above the earth that you can see when you look up, the round object that moves around the …

a polysaccharide stored in the liver and muscle cells, a long molecule consisting of many similar building blocks, called monomers, a pure substance …

the state of matter in which atoms move around one another, when thermal energy is added or removed, this is what happens to a substance's state, …

organ system that is a fast-acting control system of the body; responds to internal and external changes by activating appropriate muscles and glands, …

behaviour and characteristics, which is found in stomach juices, which is found in fizzy cooldrinks, base that can dissolve in water, substances with …

the particles in a _ are far apart and move quickly to spread out in the space, the particles in a solid are very close together and _ , when the …

a negatively charged ion, reflects the relative strength of the forces holding ions together in a solid ionic compound, a chemical compound formed …

the scientific study of prehistoric life forms through the examination of plant and animal fossils, the preserved remains or traces of ancient …

# of waves that arrive per second and determines our perception of pitch, snail-shaped, this part of the ear is especially critical in hearing things …

common chemical used, used to cut tiny amounts of material, most common specimen fixative, one of the benches in histology, a microtomy defect, acid …

the side of dna that is replicated continuously, always pairs with thymine, what the m in mrna stands for, the process of making an rna molecule using …

first planet found by the telescope, the densest planet, earths only proper natural satellite, shortest day, named after the roman god of war, …

the total number of changes required for all characters on the tree, a structure inherited from an ancestor that no longer serves a clear function in …

it's a boring element, it's that yellow shiny stuff that everyone likes, put this in a balloon to make it float really high, can only be …