Science Crossword Puzzles

what happens when water freeze?, do particles move fast or slow when heat up?, a change in which a substance combines with another substance to form a …

a person who studies fossils, a type of fossil that is the preserved remains of an organism, such as bones, the current era, known as the 'age of …

protects the brain and forms the structure of the face, supports the body and protects the spinal cord, protect the heart and lungs, aiding in …

tiny air sacs surrounded by tiny blood vessels, any of the major passages of the lungs which diverge from the windpipe, tiny tubes taking air to the …

a star that has expanded and cooled, resulting in it becoming much larger and cooler than it was before it expanded, a large ball of mostly hydrogen …

the type of muscle that moves without you thinking, the type of muscle that moves when you tell it to, muscles that can be found in your stomach and …

_ has a storm system known as the great red spot, the inner planets are often called the _ _ (two words), the sun is closer than other stars, but it …

the transfer of heat through liquid or gases by molecular motion, anything that has mass and takes up space, copper, silver and iron are the example …

trap sunlight and make food for the plant, supports the plant to keep it upright so that leaves can receive as much sunlight as possible, can only be …

quarter where left half of the moon is illuminated, quarter where right half of the moon is illuminated, eclipse when the moon covers the sun, eclipse …

undeveloped shoot, where the petiole base attaches to the stem, stalk that holds the leaf away from the stem, flattened green surface for absorbing …

these organic substances that do not break up or dissociate when placed in water solution, a ph higher than 7 indicted it is a _ , this is water that …

a reaction where an acid and an alkali cancel each other out, the scale used to measure how acidic or alkaline a substance is, a substance that …

two substances mix completely though each other, separate a soluble solid and a liquid, tiny particles built in a regular pattern, solids that do not …

a combination of a substance's kinetic and potential energy, the state of matter with the highest amount of potential energy, particles in this …

powerhouse of the cell where cellular respiration takes place, process that releases energy by breaking down food molecules with oxygen to turn atp …

increases kinetic energy of particles to increase rate of reaction, lowers activation energy to increase the rate of a reaction, decreases the space …

scientist who discovered gravity, to push an object without touching it, when one force causes another force to occur, unequal strength acting on an …

the process of sterilization often reserved for category 3 rooms and safety cabinets, the process of sterilization using gamma rays, type of indicator …

if no oxygen is available, cells can obtain energy through the process of, the phase of photosynthesis responsible for mainly producing glucose, …

provide energy and found in foods like bread and pasta, needed for growth and repair, found in meat and beans, another name for fats, found in butter …

vertical plane that runs directly down the middle of the body, dividing it into right and left, the body is lying down with face pointing upwards, …

measures temperature, a problem for discussion or investigation, loose clothing in a lab can cause these, this unit is used to measure mass, this type …

the movement of water molecules from an area of high water concentration to an area of low water concentration through a semi-permeable membrane, the …

who are known for their knowledge in astronomy, device used for seeing faraway objects, written document used to represent the positions and movements …

a reaction that gives out energy, a reaction that takes in energy, made by a chemical reaction, used up in a chemical reaction, often produced by a …

this process converts ammonia to nitrite and then to nitrate, this is the process by which nitrogen gas from the atmosphere is converted into ammonia …

controls what goes in and out of the cell, receives proteins from the er and packs them out to other parts of the cell, produces energy in plant …

single-celled organism that surrounds its food, one-celled organism that uses hair-like structures for movement, a collection of tissues that has a …

an inherited feature or characteristic, the number of chromosomes in your body cells, a chain of amino acids, a coiled up molecule of dna that is …