Science Crossword Puzzles
The Structure of the Atom
atom: the smallest particle of an element that retains the properties of the element., cathode: _____ ray originating from the cathode and traveling to the …
Mendelian Genetics
haploid : a gamete that has 23 single chromosomes, meiosis : the division of the nucleus that produces either eggs in females or sperm in males, gametes : eggs …
Chemical vs Physical Changes
proportional : extensive property is directly ______ to the amount of matter, nonmetals : elements that don't conduct well, physical : change in which no …
Enzymes and Biochemical Reactions
activation energy: the amount of energy needed, catalysts: speed up reactions, denaturation: enzyme's active site gets deformed and loses its specific …
Plant and Animal Cell
nucleus: responsible for growth and reproduction of cells (suelcnu), plasma membrane: controls the passage of substances in and out of the cell (maplas …
Cell Structures
eukaryotic : cell with a nucleus and other organelles, flagella : tail-like structure used for movement; found in animal cells and many bacteria, chloroplasts : …
Nuclear Physics
atom : smallest particle of an element, transmutation : the conversion of one element into another , isotopes : elements with the same number of protons but …
Space Exploration Studies
binary star : a system of two stars that revolve around a common centre of gravity., dwarf star : a small star with low luminosity., gemini : space program used …
Periodic Table Vocab
molecule : a group of atoms bonded together, proton : positive charge, neutron : no charge, electron : negative charge, c : atomic symbol of carbon, valence …
Nuclear Energy
atom : a particle of matter indivisible by chemical means. it is the fundamental building block of elements., contamination : radioactive material deposited or …
Acids, Bases and Oxides
amphoteric: a type of oxide that reacts with both acids and bases., aluminium: an example of an oxide that reacts with hydrochloric acid and sodium hydroxide., …
Earth and Space
shuttle: is a transport used to go to space and back. , galaxy: is a collection of stars and matter held together by gravity., pluto: is a dwarf planet and used …
Seeds and Germination
sunlight: this is not needed in germination, seed: i can be found in a fruit, shrivels: this happens to the seed after the embryo grows, food store: food for …
Chemistry - Chemical Reactions
catalyst : a substance that increases the rate of a reaction but remains unchanged at the end, indicator : universal _________ is used to change the colour of a …
The Skin Structure
epidermis : top layer of skin, dermis : known as the true skin, subcutaneous : mainly made up of fat cells, corneum : the “horny” layer of skin, lucidum : …
