Science Crossword Puzzles
Science Riddle
echo: many have heard it, but nobody has ever seen it. it will not speak back unless spoken to. what is it?, supernova: i was once a massive star and soon i …
Endocrine System
pituitary gland: regulates growth, blood pressure and water balance., testes: release male hormones., thymus gland: develops immune system in childhood., …
Characteristics of Life
unicellular: consisting of one cell., multicellular: consisting of more than one cell., cell: the basic unit of life., homeostasis: the process of maintaining a …
Physical Properties of Matter
distillation: a process that separates the substances in a solution based on their boiling points , filtration: process that separates materials based on the …
Phase Changes
freezing : the phase change from a liquid to a solid., vapor : the gaseous state of a substance, such as water vapor., plasma : a high-energy state of matter …
All About Cells
cilia : tiny hair like structures on the surface of some cells, used for movement., cell wall : a strong, protective structure that surrounds a plant cell., …
Marine Biology
marine snow : a continuous shower of sinking organic material falling to the deep sea, detritus : organic matter produced by the decomposition of organisms, …
An Introduction to Science
natural: _______ science is the branch of science which deals with the physical world and universe. the three main branches of natural science are physics, …
Gravity & Forces
air resistance: backwards force from the air passing by a moving object, thrust: force caused by a push from a motor or a human, weight: downwards force from …
Gravity and the Universe
elliptical galaxy : contains a higher percentage of old, red stars and little or no gas, oval shaped, no arms, star : huge glowing ball of gas, spiral galaxy : …
Photosynthesis
ferre: latin word for "to carry", cyanobacteria: the prokaryote that uses photosynthesis, thylakoid: where chlorophyll is organized inside the …
Simple Machines
simple machine : something simple that makes a task easier., complex machine : a machine that is composed of two or more simple machines., screw : a type of …
Chemical Elements
silver : a shiny white metal often used in jewelry and currency., lead : a heavy metal with the chemical symbol pb, used in batteries and as a shield against …
