4th Grade Science Crossword

QUESTIONS LIST: BIOTIC : Living parts of an ecosystem, SOLUTION : A mixture in which two or more substances are mixed completely, SAND : The largest particles that make up soil, FORCE : A pull or push of any kind, ATOM : Smallest unit of an element with all its properties, GLACIER : A large, moving mass of ice, AXIS : Imaginary line on which the Earth rotates, EROSION : The process of sediment moving from one place to another, PRODUCER : A living thing such as a b plant that can make its own food, ELEMENT : A substance made of only one kind of atom, IGNEOUS : Type of rock that forms from melted rock, FOOD WEB : A group of food chains that overlap, FRICTION : A force that resists motion between touching objects, OMNIVORE : An animal that eats both plants and other animals, LEVER : A simple machine made of a bar that pivots on a fixed point, ORBIT : The path of one object in space around another object, VERTEBRATE : The group of animals that have a backbone, SCREW : A simple machine that is a post with an inclined plane wrapped around it, CLAY : The smallest particles that make up soil, DIVERSITY : Variety in a species, MAGNETIC POLE : Where a magnet's force is, CARNIVORE : Animal that eats only other animals, the strongest, HORIZON : Layer in soil