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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.
a push or pull acting on an object, a force opposing motion that acts on an object, when an object experiences friction while in a fluid, something …
the rate of change of velocity over time, change in position of an object that is dependent on direction, the speed at any given point - what shows up …
lost the ability to survive independently and became organelles (e.g. mitochondria and chloroplasts), early membranes trapped organic molecules inside …
energy that comes from changes in the nucleus of a atom, do not use their energy until they move, keep hot or cold in a object, energy stored in …
one complete orbit of a planet around the sun, or the moon around the earth, also called petroleum; a fossil fuel formed from dead algae and plankton …
the small part of the electromagnetic spectrum that the human eye can see including the colors red, orange, yellow, green, blue, indigo and violet, …
energy required to break a chemical bond and form isolated atoms, covalent bond when electrons are not shared equally, bonding that has an uneven …
cells in the epidermis involved in immune defense, outermost layer of the epidermis, the primary type of cell found in the epidermis, transparent …
connects the throat to the stomach, the part where you digest all the food, in between the stomach and large intestine, makes your food into waste, …
the part in the back of the eye where the picture is made; it is connected to the optic nerve, bells that carry messages to and from your brain, the …
breaks down and churns food with acid, covering used by trees for protection, responsible for breathing in and out, pumping blood with nutrients and …
drawing in of a breath, abnormally fast respiratory rate, paired major organs of respiration that contains bronchi and are divided into clearly …
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 …
bone structure protecting the brain, thigh bone, the longest bone in the body, shinbone, located in the lower leg, smaller bone alongside the tibia, …
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 …
in a multi-cellular organism, a group of cells working together, the cell's control center, grain-shaped organelles that produce proteins, some …
reactions conducted in the presence of oxygen, a substance that increases the rate of a chemical reaction without itself being used up, a factor …
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 …
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 …
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, …
the process by which plants use energy from the sun, via chloroplasts, to produce sugars, and oxygen, the green pigmentation within chloroplasts, …
from what element do plants extract carbon dioxide during photosynthesis? & in cellular respiration what element is released as carbon dioxide …
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 …
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 …
the cloud of dust and gas that the solar system came from, the space a object takes up, the closest star to the solar system besides the sun, the …
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 …
object is furthest from the sun, a cloud of dust and gas, a large collection of stars, gas, and dust that is held together by gravity, the inward …
binary _ _ _ _ _ _ _ , in meiosis the number of chromosomes are _ _ _ _ _ _ _ by half, sexual reproduction occurs in a _ _ _ _ _ , phase of mitosis …
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 …
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 …
