Science Crossword Puzzles

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

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 …

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 …

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

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 …

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 …

beta-cells in the islets of langerhans produce this, produced by xxxx, axis with xxxx downstream, produced in the ovaries, stimulated by xxxx, …

a group of cells that are same in structure & work together are called?, what forms the framework that support the body?, which tissue is very …

the small part of the electromagnetic spectrum that the human eye can see including the colors red, orange, yellow, green, blue, indigo and violet, …

relays information from sensory receptors to proper areas of brain, collection of glands that produce hormones that regulate metabolism, growth, outer …

there is another prime mover for jaw closure except temporalis muscle, three muscles that end with "glossus", move this part of the body, …

change in frequencies of alleles in a population across generations, pattern of evolution at or above the species level, probability of offspring …

an object that has gravity so strong that even light can't escape it, a group of millions or billions of stars and planetary systems which are held …

the smallest particle of an element, a substance that will be dissolved, a measure of the amount of matter is in an object, the substance that …

the chemical reaction that releases energy from glucose, the type of respiration that uses oxygen, the type of respiration used during intense …

shorter then microwaves, just greater then the red light, longest wavelength, a little bit shorter then radio but longer then infrared, very short …

a particular section, group or type of species living in an area or country, a group of organisms that are closely related and can mate to produce …