Science Crossword Puzzles
Histology & Embryology
peroxisomes: are membrane-bound organelles, involved in the conversion of reactive oxygen species such as hydrogen peroxide into water & oxygen., …
Periodic Table / Structure and Bonding
neutron: the particle in an atom with no charge., alloys: mixtures with at least one metal., mendeleev: creator of the current periodic table., allotropes: the …
Nurturing Brain and Developmental Theories
schema : a knowledge structure that allows organisms to interpret and understand the world around them, competence : virtue developed in the stage of industry …
Solubility
solution : a mixture of a liquid with a dissolved solid, filtration : a separation method used to separate sand from water, filtrate : the name of the solution …
Introduction to Chemistry
mixture : when some elements or compounds are mixed together but do not react together, element : a substance made up of only one type of atom, compound : 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 : …
Cell Theory
microscope: an optical instrument used for viewing very small objects,, microbiologist: an expert in or student of microbiology., amoeba: a single-celled …
The Planets
venus: _____ is the hottest planet in our solar system, uranus: this planet rotates on its side ______, neptune: ______ is a dark, cold and very windy planet, …
Invasive Species
florida : feral hogs are an invasive species living in what state, apex predator : invasive species are usually the _______ of their environment, invasive : …
Equilibrium
left: the direction a system will move when heated if the forward reaction is exothermic, closed: an equilibrium is a ___________ system, concentration: a …
Protons, Neutrons, and Electrons
protons: found at the center of an atom, electrons: found on the outside of the atom, neutrons: found at the center of the atom and have no charge, positive: …
Cardiovascular / Respiratory System
aerobic respiration : glucose + oxygen = energy + carbon dioxide + water (2 words), heart rate : the number of times your heart beats in one minute. (2 words), …
Light and Matter
phenomena : fact, event, or circumstance that can be observed, usually considered extraordinary or remarkable., refract : to bend light so that it looks like it …
Grade 4 Science: Living Organisms
animals: the group of living things we belong to, carbon dioxide: plants use this gas to make their food., reproduce: when an organism is making more of …
Properties & Changes in Substances
matter : the substance things are made of something that takes up space and has weight, solid : firm and stable in shape; not liquid or fluid., liquid : a …
Macromolecules
fats: macromolecules include carbohydrates, proteins, ________ and nucleic acids., glycogen: made of many glucose molecules; stored in muscles and liver, …
Redox Reactions
roman numeral: the value used to indicate the oxidation number of an element in the formula of the compound., simultaneous: redox reactions involve ___________ …
Physical Properties Elements & Periodic Table
group: the vertical column down a periodic table., element: pure substances that cannot be broken down into other substances, chlorine: this element can be …
Studying Chemistry
element: a pure substance that cannot be broken down anymore. , isotopes: two or more forms of an element with the same number of protons but different number …
Matter - Phase Change
endothermic : in an ___ change the energy is absorbed into the substance., exothermic : in an ___ change the energy is release from the substance, condensation …
Body Parts and Organs
pancreas : an organ near the stomach that produces insulin and a liquid that helps the body to digest food, windpipe : the tube in the body that carries air …
