Science Crossword Puzzles

use fossil remains to understand different aspects of extinct and living organisms, _ selection - process in which an organism adapts to its …

made of rna; where proteins form, an organism composed of two or more cells, outer layer of the cell that controls movement of materials into and out …

the ease and speed with which an element combines, or react, with other elements and compounds is?, there is thermal conductivity and _ conductivity …

the formation of living things from one parent only, the production of living things by combining cells from two parents, a sex cell, the joining or …

energy required to break a chemical bond and form isolated atoms, covalent bond when electrons are not shared equally, bonding that has an uneven …

the control center of a cell, housing genetic material, powerhouses of the cell, providing energy through respiration, tiny structures where proteins …

this objective lens is represented by the color red, this objective lens is represented by the color blue, this part of the microscope holds the slide …

it has two divisions, sperm and egg cells, only one set of chromosomes, replicating dna, where the cell division happens, the chromosomes search for …

type of bond where electrons are shared, atomic number of 5 with 3 valence electrons, atomic number of 17 with seven valence electrons, same number of …

you should date and neatly underline your......, you should always ask to go outside to drink this, should not be worn in school anyway!, always tie …

a diagram showing only the outer valence electrons of an element, when an element loses electrons it has this charge, this soft metal is highly …

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, …

what happens when water freeze?, do particles move fast or slow when heat up?, a change in which a substance combines with another substance to form a …

a person who studies fossils, a type of fossil that is the preserved remains of an organism, such as bones, the current era, known as the 'age of …

protects the brain and forms the structure of the face, supports the body and protects the spinal cord, protect the heart and lungs, aiding in …

tiny air sacs surrounded by tiny blood vessels, any of the major passages of the lungs which diverge from the windpipe, tiny tubes taking air to the …

when warm air moves over cold air, force pushing on an area or surface, when warm air and cold air are pushing on each other, an instrument that is …

a star that has expanded and cooled, resulting in it becoming much larger and cooler than it was before it expanded, a large ball of mostly hydrogen …

a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles, a nearly in-compressible fluid …

the type of muscle that moves without you thinking, the type of muscle that moves when you tell it to, muscles that can be found in your stomach and …

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

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 …

_ has a storm system known as the great red spot, the inner planets are often called the _ _ (two words), the sun is closer than other stars, but it …

the transfer of heat through liquid or gases by molecular motion, anything that has mass and takes up space, copper, silver and iron are the example …

anything that has mass and takes up space, when two or more substances are together in the same place but are not chemically bonded, two or more atoms …

this type of embolectomy removes blood clots inside the brain, uses a catheter inserted through femoral artery and maneuver a device up to the brain, …

a hydrocarbon whose molecules contains at least one carbon– carbon double bond (11), hydrocarbons with similar boiling points separated from crude …

trap sunlight and make food for the plant, supports the plant to keep it upright so that leaves can receive as much sunlight as possible, can only be …

quarter where left half of the moon is illuminated, quarter where right half of the moon is illuminated, eclipse when the moon covers the sun, eclipse …

undeveloped shoot, where the petiole base attaches to the stem, stalk that holds the leaf away from the stem, flattened green surface for absorbing …