4th Grade Science Crossword Puzzle

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