CST Prep

An animal that eats plants  herbivore

Groups of living things and the environment they live in  ecosystem

The Earth’s innermost layer; ball shape, mostly nickel and iron  core

The way organisms in ecosystem interact according to what they eat  food chain

The layer just below the Earth’s crust (2 nd layer and thickest layer)  mantle

Animals that eat the remains of other animals that have died  scavenger

The measure of the pull of gravity on an object  weight

Movement of seeds from parent plant (wind, water, animals, people)  Seed dispersal

A living thing such as a plant that makes its own food  producer

A hardness scale from softest to hardest (1-10); diamond is hardest  Mohs

Electrical force, strength of power source  voltage

Sprouting of a seed  germinate

A living thing that breaks down organisms for food  decomposer

The space around a magnet where the force of a magnet can act  magnetic field

A mineral’s ability to resist being scratched  hardness

A vibration or shaking of the Earth’s crust  earthquake

An animal that eats (meat) other animals  carnivore

A device for determining direction (north, south, east, west)  compass

A type of rock that forms from completely melted rock  igneous

The Earth’s outer layer (1 st layer)  crust

Behavior or body part that helps an animal meet its needs in its environment  adaptation

A diagram that shows how food chains relate and overlap  food web

A circuit that has more than one path for current to flow  parallel circuit

A test where you scrape a piece of rock on a white plate to determine color  streak test

The amount of space an object takes up  volume

A material made up of one or more minerals  rock

A type of rock changed by heat or pressure but not completely melted  metamorphic

A type of rock formed by layers of sediment squeezed together over time  sedimentary

Powderlike male cells that travel from plants to help other plants reproduce  pollen

The smallest unit of an element that has all of the properties of that element  atom

A living thing that eats other living things for energy  consumer

An object that attracts certain materials such as steel, iron, nickel  magnet

Living things that cannot make their own food (mushrooms)  fungi

A material that electrical current can pass through easily  conductor

A device that converts chemical energy into electrical energy  battery

The area where magnetic force is greatest in a magnet  magnetic poles (north, south)

The flow of an electrical charge  current (electrical)

The process of dropping or depositing sediment in a new place  deposition

A temporary magnet made by passing electric current through a wire coiled around an iron bar  electromagnet

The process of moving sediment from one place to another (wind, water, ice)  erosion

An animal that has six- jointed legs  insect

An electric charge that stays on an object (rubbing balloon on wool cloth, shuffling feet on rub)  static electricity

A circuit that has only one path for current  series circuit

A simple test of rocks to determine the hardness of the rock  scratch test

Small organisms that can be seen only with a microscope, many only have one cell  microorganism

A natural solid material with its particles arranged in repeating pattern  mineral

An animal that eats both plants and animals  omnivore

The transfer of pollen from a stamen to a pistil by wind or animals  pollination

To reuse a resource to make something new  recycle

Process by which rocks are formed from one another  rock cycle

A mountain that forms when red-hot melted rock flows through a hole in surface  volcano

The process where rocks are broken down into smaller pieces  weathering