Science Crossword Puzzles

Science crossword puzzles printable are a great way to spend some quality time with your children while helping them learn about science. Give them a fun and educational activity to do together. With a printable crossword puzzle, you can teach your kids about the solar system and other science related topics.

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Digestive System crossword puzzle
Digestive System

nutrient molecules passed through the wall of your digestive system into your blood, the large intestine ends in a short tube called the _ , the …

Heart Anatomy crossword puzzle
Heart Anatomy

inflammation due to fluid and pus buildup in the heart, valve between the right atrium and right ventricle, narrowing of a valve or great vessels of …

Endothermic and Exothermic crossword puzzle
Endothermic and Exothermic

a reaction that absorbs energy, a reaction that releases energy, a substance that can increase the rate of a reaction without being used up, the …

Digestive Enzymes crossword puzzle
Digestive Enzymes

an enzyme that breaks down starch into sugars, an enzyme that breaks down proteins into amino acids, an enzyme that helps break down fats into fatty …

Life and Living crossword puzzle
Life and Living

sorting of things into groups based on shared characteristics, these are flowering plants that have seeds with two cotyledons, parts of the earth and …

Biological Molecules (A Level) crossword puzzle
Biological Molecules (A Level)

the acidic group of an amino acid, a protein with regular structure, often used for structural functions, to spin a suspension very faster to separate …

4th Grade Science crossword puzzle
4th Grade Science

living parts of an ecosystem, a mixture in which two or more substances are mixed completely, the largest particles that make up soil, a pull or push …

Major Bones of the Human Body crossword puzzle
Major Bones of the Human Body

wrist bones, collarbone, skull bone, thigh bone, thinner lower leg bone, upper arm bone, hipbone, palm bones, foot bones, kneecap, fingers and toes, …

Rockets crossword puzzle
Rockets

the moment when a rocket begins its ascent from the launch pad, the process of collecting and transmitting data from a spacecraft to earth, the …

Urine Formation crossword puzzle
Urine Formation

this loop of _ is comprised of the descending and ascending limbs. bonus: also called the _ loop, precursor to urine, t/f: it is common to have …

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, …

Energy Stores and Transfers crossword puzzle
Energy Stores and Transfers

energy stored in bonds of chemicals, and might be released in reactions, e.g. food and batteries, wasted energy, spread out, good at preventing waste, …

Forms of Energy crossword puzzle
Forms of Energy

when light is taken in instead of bouncing or bending, energy that travels in waves to the ears, this happens when light bounces off a surface, this …

Genetics and Inheritance crossword puzzle
Genetics and Inheritance

chromosome condition of a cell which has two sets of chromosomes, chromosome condition in which a cell has only a single set of chromosomes, the type …

Structure of the Heart crossword puzzle
Structure of the Heart

blood vessel that carries oxygenated blood from heart to all the body parts, blood vessel that carries deoxygenated blood from heart to the lungs, …

Moon Phases, Eclipses, and Tides crossword puzzle
Moon Phases, Eclipses, and Tides

this is dark during a lunar eclipse, getting smaller, the moon takes 27 days to _ around the earth, the quarter of the moon when it is light on 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 …

Anatomy and Physiology crossword puzzle
Anatomy and Physiology

external, protective coating that protects the body systems from the outside elements, collection of similar cells that perform a particular function, …

Acid and Alkalis crossword puzzle
Acid and Alkalis

what is the scale called that you measure acids and alkalis on?, what word does the colors blue and purple go with?, what is the process to make …

Cell Organelle crossword puzzle
Cell Organelle

a organelle that destroys old cells or old organelles, the organelle that makes diploid or mitosis, an organelle that converts light into sugar, the …

Solar System crossword puzzle
Solar System

earth's _ is rich in nitrogen and oxygen and it is the only world known to harbor life, _ , our home planet, is the third planet from the sun, _ …

The Solar System and the Moon crossword puzzle
The Solar System and the Moon

only star in the solar system, large mass of very hot gas, number of lunar months, minor bodies of ice, dust and rock, planet can be seen from earth, …

Space and Cosmos crossword puzzle
Space and Cosmos

a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass, one who studies the night sky …

8th Grade Science - Chemistry crossword puzzle
8th Grade Science - Chemistry

the amount of matter or stuff that makes up and object, the state of matter in which the molecules slide past each other and move at a medium speed, …

Big Bang Theory crossword puzzle
Big Bang Theory

the _ happened 13.7 billion years ago when time, space, matter, and energy began to exist, the universe as we know it today began as a hot, dense …

Acids, Bases and Salts crossword puzzle
Acids, Bases and Salts

a chemical reaction between an acid and a base that takes place in a water solution, the characteristic of water that allows bases and acids to …

Nuclear Chemistry crossword puzzle
Nuclear Chemistry

splitting of a nucleus into smaller fragments that results in the release of neutrons and a large amount of energy, the type of radioactive decay in …

Bacteriology crossword puzzle
Bacteriology

infection that develop and progress slowly, an organism that grow rapidly in the presence of high pressure, a microorganism that requires 5-10% co2, …

Electricity crossword puzzle
Electricity

a material through which electricity does not flow, a circuit with more than one path for an electric current, a moving electrical charge, a circuit …

Biological Evolution & Classification crossword puzzle
Biological Evolution & Classification

a particular trait that helps an organism survive in its environment, structural difference that perform the same function like different types of …