The process of wearing away rock is known as
weathering
Weathering by wind, water, and ice produces
sediment
Earth is made up of many layers. The densest layer of Earth is the
core
An opening from which lava erupts is a(n)
volcano
Motion of the ground is most severe at the earthquake's
epicenter
Volcanoes and earthquakes are effects of plate tectonics. What does the theory of plate tectonics state?
Earth's inner core causes changes in the crust
Earth's outer core is liquid and the inner core is solid
Earth's crust is divided into parts that move
Earth's mantle is solid
Matter that has a definite volume but no definite shape
solid
gas
plasma
liquid
matter without a definite volume or shape
plasma
solid
gas
liquid
Which of these correctly describes how water changes state?
liquid water melts to form ice
liquid water boils to form water vapor
Ice condenses to form liquid water
water vapor evaporates to form liquid water
Ben lights a match to start a fire. Which is NOT evidence of a chemical change that occurs?
the match turning black as it burns
the smell coming off of the lit match
the shape of the match
the heat coming off of the flame
Which is a physical property of matter?
the ability to dissolve
the ability to rust
the ability to burn
the ability to decay
A path along which electric charges flow
static electricity
insulator
circuit
current
The build up of electric charges on an object
static electricity
current electricity
generator
conductor
A material through which electricity travels easily
generator
magnet
insulator
conductor
An object that attracts iron and a few other metals
insulator
magnet
generator
electric motor
A material that resists the movement of electric current through it
conductor
generator
electromagnet
insulator
