Science Crossword Puzzles

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 …

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 …

cells in the epidermis involved in immune defense, outermost layer of the epidermis, the primary type of cell found in the epidermis, transparent …

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

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

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 …

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 …

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

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 …

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 …

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 …

the kind of birds that darwin noticed on the galapagos islands, blend in with surroundings, any variation that makes an organism better suited to its …

elements found on the left-hand side of the staircase, elements found on the right-hand side of the staircase, the name given to the group 7 elements, …

total number of protons and neutrons, a uncharged particle in an atom, an ion of the element with 16 protons, the electrons on the outermost energy …

functional unit of the kidney responsible for urine formation, the process of removing waste and excess substances from the blood in the glomerulus, …

organelle highly present in b cells to produce antibodies, fluid in which pathogens are carried to lymphocytes, the site at which somatic …

allows for polymerization, contains one positive and one negative charge, very strong covalent bond, protein with more than one polypeptide chain, a …

another word for moon orbiting a planet, the spinning of a planet on its axis, axis tilted on its side, the largest planet, planets made mostly of …

the innermost layer of the git, middle layer of git made of connective tissue, a network of neurons that control digestive secretions and detect …

predicts molecular shapes based on repulsion between electron pairs, a unit that measures the amount of particles in a substance, the number of …

the gland that makes sure you can cry, trick of light, all colours are a part of this, there are almost 300,000,000 of these per second, this nerve …

properties that independents to the size of system, system change to another state, 1st law of thermodynamic - energy can be created and deformed but …

this is the enzyme which digests lipids, this is the enzyme which digests carbohydrates, this is the enzyme which digests proteins, there are 3 of …

the smallest planet in our solar system, the hottest planet in our solar system, the most special planet with lots of life, the reddest planet in our …

a specialised cell that stores energy in the form of lipid and provides insulation, formed by elastin and allows ct to stretch, main type of protein …

long polymer made from repeating nucleotides, the 5 _ _ are adenine, guanine, thymine, cytosine, and uracil, _ _ is in the family of enzymes that …

studying bumps on the skull to reveal someone's personality and mental abilities, neuronal junction; where transmission between nerve impulses …

growth in size or increase in amount, the name given to the first four outer planets: jupiter, saturn, uranus, and neptune, uranus, neptune (frozen …