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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Organ Functions crossword puzzle
Organ Functions

breaks down and churns food with acid, covering used by trees for protection, responsible for breathing in and out, pumping blood with nutrients and …

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 …

Respiration and Metabolism crossword puzzle
Respiration and Metabolism

the process that releases energy from food for your body to use, type of respiration that needs oxygen and releases a lot of energy, type of …

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, …

Parts of a Plant crossword puzzle
Parts of a Plant

a living thing that grows in soil, has roots, a stem, leaves, and often flowers, the part of a plant that supports the leaves and flowers and carries …

Introduction to Cells crossword puzzle
Introduction to Cells

in a multi-cellular organism, a group of cells working together, the cell's control center, grain-shaped organelles that produce proteins, some …

Chemical Reactions - Thermodynamics crossword puzzle
Chemical Reactions - Thermodynamics

reactions conducted in the presence of oxygen, a substance that increases the rate of a chemical reaction without itself being used up, a factor …

Parts of a Cell crossword puzzle
Parts of a Cell

the "powerhouse" of a cell that converts energy stored in food to energy the cell can use, captures energy from sunlight and changes it to a …

The Nitrogen Cycle crossword puzzle
The Nitrogen Cycle

an element that is needed to make protein, absorbed by the roots of plants, bacteria and fungi that feed on dead plants/animals, used for growth and …

Thermodynamics crossword puzzle
Thermodynamics

1 atm pressure, liquid water always changes to gaseous water at 100 degrees celsius, a measure of the random motions of the components of a substance, …

Photosynthesis / Respiration crossword puzzle
Photosynthesis / Respiration

the process by which plants use energy from the sun, via chloroplasts, to produce sugars, and oxygen, the green pigmentation within chloroplasts, …

Photosynthesis & Cellular Respiration crossword puzzle
Photosynthesis & Cellular Respiration

from what element do plants extract carbon dioxide during photosynthesis? & in cellular respiration what element is released as carbon dioxide …

Abiotic and Biotic Factors crossword puzzle
Abiotic and Biotic Factors

all of the nonliving parts of an ecosystem, any individual living thing, the transfer of energy from one organism to another through a food chain or …

Human Digestive System crossword puzzle
Human Digestive System

the first part of the small intestine, one of its main tasks is to neutralise stomach acids passing into the intestines, as well as making bile, this …

Parts of the Body Quiz crossword puzzle
Parts of the Body Quiz

a chair has four of these. you have two, people often get these pierced, you have 32 of these and you use them to eat, you use this part of the body …

The Cell Cycle, Mitosis and Meiosis crossword puzzle
The Cell Cycle, Mitosis and Meiosis

binary _ _ _ _ _ _ _ , in meiosis the number of chromosomes are _ _ _ _ _ _ _ by half, sexual reproduction occurs in a _ _ _ _ _ , phase of mitosis …

About Bacteria crossword puzzle
About Bacteria

process that lets organisms get energy from food. (2), type of asexual reproduction that happens in bacteria. (2), process where food is heated to a …

The Alkali Metals crossword puzzle
The Alkali Metals

this happens to the surface of an alkali metal when it reacts with oxygen, this gas is produced when an alkali metal reacts with water, sodium _ into …

Bacteria and Viruses crossword puzzle
Bacteria and Viruses

strand of dna or rna surrounded by a layer of protein that can infect and replicate in a host cell, long whiplike structure on bacteria, a mixture …

Transpiration crossword puzzle
Transpiration

the concentration of water vapour in the air (8 letters), the process of breaking down food to release energy in plants and animals (11 letters), the …

Human Anatomy crossword puzzle
Human Anatomy

a tube that is held open by c-shape rings of cartilage; connects the larynx and the bronchi, the organ of the lymphatic system in which t cells …

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 …

Sir Isaac Newton crossword puzzle
Sir Isaac Newton

what theory did he develop?, whose house did he threaten to burn down?, what type of math did he develop?, who said he was the smartest person to ever …

Water movement through Plants crossword puzzle
Water movement through Plants

evaporation of water from the surface of a leaf, the movement of water from an area of high to low water concentration through a semi-permeable …

Transport in Plants crossword puzzle
Transport in Plants

process of transporting sugars and other organic compounds in the phloem, organ where photosynthesis primarily occurs, plant organ or tissue that …

Bones and Joints crossword puzzle
Bones and Joints

immovable joints (pl.), slightly movable joints (pl.), freely movable joints (pl.), "bone-makers" (pl.), "bone-breakers" (pl.), …

Forces and Motion crossword puzzle
Forces and Motion

a push or pull on an object, the amount of force needed to move an object, when two forces acting on an object are equal and opposite, when an object …

Ionic and Covalent Structures crossword puzzle
Ionic and Covalent Structures

a chemical bond resulting from the transfer of electrons, this shows the elements in the compound and the ratio of atoms, in a covalent bond, …

Electric and Magnetic Forces crossword puzzle
Electric and Magnetic Forces

energy that gives us power, when there are more positive charges, magnets have a _ and south pole, when equal forces act on an object, sign for …

Plants Vocabulary crossword puzzle
Plants Vocabulary

process by which green plants use sunlight to change water and carbon dioxide into sugar, scientific study of plants, green substance found in green …