Crossword Puzzles
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Checkout our collection of thousands of ready to use crossword puzzles that cover different topics. We add new ones on regular basis so keep visiting to enjoy new entries.
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Circulatory and Respiratory System
arteries: carry oxygenated blood away from the heart, capillaries: the smallest blood vessels in the body, veins: carry de-oxygenated blood to the heart, …
Body Systems & Organs
large intestine : large canal that helps absorb water back into body and then eliminate the waste., nervous : system that transmits and receives information., …
Protein Metabolism
glucogenic : is an amino acid that can be converted into glucose through gluconeogenesis., protein : biochemical polymer in which the monomer units are amino …
Sun & Moon
core : inner region of the sun, where fusion takes place, solar eclipse : occurs when the moon is in line between earth and the sun, and the moon casts a shadow …
Nutrient Cycles
nitrogen : what is produced by denitrification?, active transport : how are nitrate ions absorbed by the plant?, oxidation : what type of reaction is the …
Structure and Bonding
ionic: bonding between a metal and a non-metal, covalent : bonding between 2 or more non-metals, ions : a charged particle; can be positive or negative, metal: …
Ancestry DNA
saliva : the sample collected from an individual to obtain their genetic information, autosomal : type of dna that contains genetic information from both …
Properties of Matter
magnetic: property of matter that describes an object's ability to attract certain metals, solution: a mixture of two or more substances that are evenly …
Properties of Matter Vocabulary Review
mixture : a combination of two or more substances that can be separated., texture : how a substance feels or looks (rough, smooth, etc.), magnetic : a force …
Cell Division and Mitosis
divide : to separate or be separated into different parts, nucleus : a double-membraned cell organelle that contains genetic material, replication : the action …
Cell Structure and Function
nucleus: structure that surrounds and protects the genetic material, isotonic: concentration on both sides of the membrane are the same, eukaryotic: have …
Histology & Embryology
peroxisomes: are membrane-bound organelles, involved in the conversion of reactive oxygen species such as hydrogen peroxide into water & oxygen., …
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 …
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, …
