4th Grade Science Crossword Puzzle
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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