Science Crossword Puzzles

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 …

the process whereby cells become specialised for a particular function, stem cells taken from unused fertilised eggs after ivf treatment, part of the …

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 …

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 …

sound is measured in this unit, type of equipment we use to determine employee exposure to noise, hearing protection is required when your noise …

lowercase r is an example of a _ trait, a mule is an example of a.., skin color, height, eye color are examples of.., the allele combination or …

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 …

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 …

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 …

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 …

energy that is transferred from one body to another as the result of a difference in temperature, degree of hotness or coldness of an object, heat …