Science Crossword Puzzles

animals lacking a backbone or vertebral column, the variety of life within a specific ecosystem or habitat, taxonomic rank in biological …

energy that causes a transfer of heat between materials, the pathway through which electricity flows, a material through which heat or electricity …

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 …

evolution that occurs on a small scale affecting a single population, combined alleles of all individuals in a population, a feature that allows …

the time when the sun first appears in the sky, the space above the earth that you can see when you look up, the round object that moves around the …

a hierarchical structure that depicts the patterns of energy flow between different tropic levels within an ecosystem, refers to a relationship in …

these cushion your organs, provide your body with insulation, and store energy for later use, molecules that are composed of only carbon and hydrogen, …

the tiniest possible unit of an element, has no charge, holds protons together in the nucleus, an object that attracts iron, nickel, and cobalt, a …

the middle layer of the eye between the retina and the sclera, a transparent structure situated behind your pupil. it is enclosed in a thin …

collection of swelling that is blood, weakness or wasting away of tissues, swelling in the joint, complete separation of two ends of a joint, …

us space traveler, russian space traveler, russian space program, us space program, father of us manned space program, russian satellite, chinese …

_ potential energy is due to an object's shape, si unit that means the amount of energy needed to apply a force of 1 newton over a distance of 1 …

an _ is a mixture made of two or more elements, at least one of which is a metal, when a neutral atom gains an electron, it gains negative charge and …

property of metal to be easily broken into pieces or powder form, a mineral deposit containing enough metal to allow economical recovery of it, a type …

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, …

the space around a magnet or a current-carrying wire has one of these. (8,5), an alternating current generator. (10), transformer that is used to …

gas that we breath in order to survive, the lightest element on the periodic table ( atomic number 1), an element that can be in different forms such …

a feature belonging typically to a person, place, or thing and serving to identify it, characteristics that can be used to describe an object or …

_ documents - copies of a work made by different people which can be used to verify the validity of the document of interest, the study of life's …

the cell that results from the fusion of gametes, the life cycle of a cell, a cell that contains two haploid sets of chromosomes, the region of the …

which wave contains the colors of the rainbow?, what is wave speed divided by wavelength?, it is used to heat food, this wave has the highest …

a "well-mixed" mixture, a type of change where a new substance is created, a characteristic property where a liquid changes into a gas, how …

the changing from vapor state to a liquid state, when a substance is cooled, the mass per unit volume of an object, the changing from liquid to a …

what is saturn's most spectacular feature?, jupiter has how many moons?, neptune has what that produces more energy than the planet receives from …

a group of neurons that carries signals from the brain to the body and from the body to the brain, a tiny blood vessel that allows gases and nutrients …

distinct forms or conditions in which matter can exist, something that is firm and stable in shape, transition of a substance directly from the solid …

_ evolution is when species that once were similar diverge, becoming increasingly distinct, _ selection favors average individuals in a population, …

a push or pull, _ forces - this causes a change in motion, a force that opposes motion, a force of attraction between two objects, a change in …

occurs when the nucleus of an unstable atom breaks down in a process called radioactive decay, positively charged, more massive than any other type of …

leaves, flowers, cones, and secondary stems grow at these points where a bud of meristem tissue divide and specialize to form these particular …