The process of wearing away rock is known as
erosion
hurricane
weathering
deposition
Weathering by wind, water, and ice produces
deposition
solution
sediment
An opening from which lava erupts is a(n)
magma
earthquake
volcano
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 mantle is solid
Earth's crust is divided into parts that move
Matter that has a definite volume but no definite shape
gas
liquid
solid
plasma
matter without a definite volume or shape
gas
solid
plasma
liquid
Which of these correctly describes how water changes state?
water vapor evaporates to form liquid water
liquid water melts to form ice
Ice condenses to form liquid water
liquid water boils to form water vapor
Ben lights a match to start a fire. Which is NOT evidence of a chemical change that occurs?
the smell coming off of the lit match
the match turning black as it burns
the shape of the match
the heat coming off of the flame
Which is a physical property of matter?
the ability to burn
the ability to decay
the ability to dissolve
the ability to rust
A path along which electric charges flow
current
insulator
circuit
static electricity
The build up of electric charges on an object
generator
conductor
current electricity
static electricity
A material through which electricity travels easily
conductor
generator
insulator
magnet
An object that attracts iron and a few other metals
magnet
insulator
electric motor
generator
A material that resists the movement of electric current through it
insulator
electromagnet
conductor
generator
Which frequently used source of mechanical energy will eventually run out?
solar energy
coal
wind
running water
WhichWhich question can be asked to learn about the inherited physical traits of the cow?
Is the cow tame enough to pet
Why does the cow have brown fur?
Has the cow been fed today?
How old is the cow?
