Grade Questions with Complete Solutions
Weathering destructive force that breaks down rocks into smaller pieces
Seismograph used to measure and record movement in Earth's crust, tell how strong an
earthquake is and its epicenter
Dam a wall across a river that controls the flow of the river water
Levee a wall along a river channel or other body of water that serves to prevent flooding
by keeping water behind it
Jetty thin, narrow wall built from the shoreline into the ocean
Mass the amount of matter in an object
Physical Change a change in size, shape, or state of matter that does not create a new kind
of matter
, Chemical Change change in matter that produces new kinds of matter with different
properties
Mixture matter made up of two or more substances or materials that are physically
combined
Change in State type of physical change
Static Electricity an electric charge that builds up on a material
Electric Circuit the pathway that an electric current follows
Insulator material that resists the flow of electricity or heat
Conductor material that can carry electricity or heat