Science Crossword Puzzles

Free printable science crossword puzzles. Download pre-made or create your own Crossword using our crossword maker. Simply download, print and start playing or play online.

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Classification of Living Things crossword puzzle
Classification of Living Things

is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce, the process of grouping things …

Atoms, Elements, Compounds, Mixtures crossword puzzle
Atoms, Elements, Compounds, Mixtures

the smallest thing that can exist on it's own, two or more elements chemically joined, not easily separated, material made of all of one type of …

Plant and Animal Cells crossword puzzle
Plant and Animal Cells

molecules made by golgi, found in both plant and animal cells, breaks down old cells, acts like a janitor and found mostly in animal cells, power …

Friction crossword puzzle
Friction

friction is a _ that opposes the motion of objects, when two surfaces of two objects rub against each other, _ exists, friction always acts _ the …

Waves crossword puzzle
Waves

how we typically measure frequency, this is what light is made of, the bottom of a wave, the distance from the top of one wave to the top of another, …

Skeletal System crossword puzzle
Skeletal System

attaches muscle to bone, where red blood cells, platelets and white blood cells are made, wrist and ankle joints, protects important organs like the …

Respiratory crossword puzzle
Respiratory

drawing in of a breath, abnormally fast respiratory rate, paired major organs of respiration that contains bronchi and are divided into clearly …

Levels of Biological Organization crossword puzzle
Levels of Biological Organization

an example of molecules and it composed of two elements hydrogen and oxygen, consists of different tissues organized together to perform, interaction …

Human Bones crossword puzzle
Human Bones

bone structure protecting the brain, thigh bone, the longest bone in the body, shinbone, located in the lower leg, smaller bone alongside the tibia, …

Bones and Muscles crossword puzzle
Bones and Muscles

the larger bone which forms your shin, your upper arm muscle of strength; you flex it to show off your "guns", the longest bone in your …

Atomic Structure crossword puzzle
Atomic Structure

the force that holds particles together in the atomic nucleus, a subatomic particle that has no change and that is found in the nucleus of an atom, a …

Atoms and Elements crossword puzzle
Atoms and Elements

a sub atomic particle with a positive charge, an element with the symbol k, the number of electrons that will be an atom which has 12 protons, the …

History of Astronomy crossword puzzle
History of Astronomy

this type of motion occurs when planets appear to "wander" through the sky, head librarian at alexandria; calculated the circumference of …

Ionic Bonding crossword puzzle
Ionic Bonding

cations and anions lose/gain electrons to achieve this.., what is the only poly atomic that is a cation?, a negatively charged ion that forms by …

Polymers crossword puzzle
Polymers

simplest polymer structure, monomer of natural rubber, the main source of body energy, also known as brain sugar, glucose + fructose, polymers made by …

Cardiovascular Pathologies crossword puzzle
Cardiovascular Pathologies

reduced rbc or hemoglobin quantity, genetic blood clotting disorder, formation of a gelatinous mass of blood, occlusion of a blood vessel by an …

The Human Respiratory System crossword puzzle
The Human Respiratory System

muscle that helps your lungs pull in air and push it out, muscular tube through which food passes from the pharynx to the stomach, tiny air sacs in …

Cell Organelles crossword puzzle
Cell Organelles

outer layer of the cell, can control what goes in and out of the cell, make proteins for the cell, break down worn out cell parts, same as rough er, …

Heart crossword puzzle
Heart

the _ nervous system increases heart rate and stroke volume, the _ muscles are attached to the chordae tendineae, what is the amount of blood pumped …

Organ System crossword puzzle
Organ System

water and electrolytes (gets rid of waist), gets rid carbon dioxide (lungs and diaphragm), lymphatic vesicles and lymph noes, the skin and its …

Phase Changes and States of Matter crossword puzzle
Phase Changes and States of Matter

kinetic energy is the energy of, when a liquid becomes a gas, when a liquid becomes a solid, when a solid becomes a liquid, the particles only vibrate …

Our Moon crossword puzzle
Our Moon

half illuminated, with light on right, light on right, increasing light, number of moon phases, each year, the moon moves _ , more than half …

Lab Safety Guidelines crossword puzzle
Lab Safety Guidelines

wear _ , at all times, in the laboratory area, to cut glass tubing, etch with a file and wrap the tubing with a paper towel before breaking the glass …

The Changes in Matter crossword puzzle
The Changes in Matter

gas to solid, liquid to gas, solid to gas, liquid to solid, a substance that flows freely, gas to liquid, solid to liquid, a firm and stable …

Plant Transport crossword puzzle
Plant Transport

tissue that carries water and minerals from roots upward, tissue that transports sugars from leaves to other parts, the evaporation of water through …

Chemical Reactions crossword puzzle
Chemical Reactions

2 substances together, a compound breaks down into two elements, _ displacement is when two elements swap places, 5 types that are different depending …

Conduction, Convection and Radiation crossword puzzle
Conduction, Convection and Radiation

it is the transfer of thermal energy by electromagnetic waves, it is the transfer of thermal energy by collisions between particles, materials in …

States of Matter Vocabulary crossword puzzle
States of Matter Vocabulary

the energy an object has due to its position, matter with a fixed shape and a fixed volume, vaporization that occurs within a liquid, particles can …

Mendels Law of Inheritance crossword puzzle
Mendel's Law of Inheritance

this is an alternative form of genes, this is an observable trait of an organism that can mask the recessive trait, the genetic makeup of an organism, …

Alkali Metals, Halogens, Noble Gases crossword puzzle
Alkali Metals, Halogens, Noble Gases

a halogen found in toothpaste (via fluoride), the eighteenth element and third noble gas, the eighty-sixth element and sixth noble gas, the …