Science Crossword Puzzles

a reaction that absorbs energy, a reaction that releases energy, a substance that can increase the rate of a reaction without being used up, the …

a reaction where two or more reactants form a single product, a reaction where one reactant breaks down into two or more products, a reaction where a …

this serves as the blueprint in making protein, a three-letter base that code for amino acid, basic unit of life, contain the instruction for making …

us space traveler, russian space traveler, russian space program, us space program, father of us manned space program, russian satellite, chinese …

these basic units of nuclei acids are composed of a pentose sugar, a phosphate group and a nitrogenous base, cytosine, thymine and uracil belong to …

this abnormal growth of cells often results in a mass of cells called a tumor, this refers to programmed cell death, which is something that cancer …

the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body, transport _ carry fully processed …

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 …

it is an organ of the digestive system and of the endocrine system, an enzyme which breaks down proteins and peptides, an enzyme which breaks down …

the middle part of the throat, behind the mouth, he most caudal portion of the pharynx and is a crucial connection point through which food, water, …

atom with a different number of electrons i _ _ , the type of bond found in ions, the type of bond found in covalent compounds, what is the phrase …

all the alleles that make up a certain gene, an allele that is only expressed if there are 2 copies, e.g. bb, the differences within a species, …

parts of the body of plants and animals that have become fossils, a material that is burned for energy, a method used by scientists to determine the …

inflammation of the stomach, an opening into the oesophagus, inflammation of the nasal passages, inflammation of the colon, condition resulting from …

they make their own food using sunlight and carbon dioxide, plants or animal will do something because of this, so that they can grow better, to do …

when a client laughs and droplets of their sputum land in their massage therapist’s eyes, this is an example of _ contact transmission, infections …

the total length of path traveled by the object, either the maximum or minimum speed allowed for vehicles, the starting point or the origin for …

negative subatomic particle in an atom, positive subatomic particle in an atom, p _ , neutral (no charge) sub atomic particle in an atom, n _ , when a …

a substance that cannot be broken down into any other substances by physical or chemical means, a substance made of 2 or more elements that are …

blood moving along a capillary, fluid moves out through its pores and into the interstitial space, high blood pressure, internal condition maintained …

the process of removing impurities from something to make it clean, particles settling out of a liquid due to gravity, forming sediment, adding …

it is a measure of the tendency of an atom to attract a bonding pair of electrons, it is a bond in which the distribution of electron between two …

segment of dna that has the code for a specific trait, an organism blending in with its environment, location where genetic information is stored …

a mental disorder characterised by delusions, hallucinations, disorganised thoughts, speech and behaviour, a junction between two nerve cells, …

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 …

a filamentous and soil-dwelling bacterium is used in the production of antibiotics, it may cause diseases, but some are important in decomposition and …

uptake of nutrients and water from digested food into blood, teeth that cut food with sharp edges, biting or nibbling, produces digestive enzymes and …

differences in traits among individuals of the same species , reproduction method resulting in genetically identical individuals , human-controlled …

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 specific variation of a gene, the failure of one or more pairs of homologous chromosomes to separate normally, one pair of alleles, two different …