The process of wearing away rock is known as
hurricane
erosion
weathering
deposition
Weathering by wind, water, and ice produces
solution
deposition
sediment
An opening from which lava erupts is a(n)
magma
volcano
earthquake
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
liquid
plasma
gas
solid
Which of these correctly describes how water changes state?
liquid water boils to form water vapor
water vapor evaporates to form liquid water
liquid water melts to form ice
Ice condenses to form liquid water
Ben lights a match to start a fire. Which is NOT evidence of a chemical change that occurs?
the shape of the match
the match turning black as it burns
the heat coming off of the flame
the smell coming off of the lit match
Which is a physical property of matter?
the ability to decay
the ability to dissolve
the ability to burn
the ability to rust
A path along which electric charges flow
insulator
circuit
current
static electricity
The build up of electric charges on an object
current electricity
static electricity
generator
conductor
A material through which electricity travels easily
insulator
generator
magnet
conductor
An object that attracts iron and a few other metals
insulator
generator
electric motor
magnet
A material that resists the movement of electric current through it
conductor
electromagnet
generator
insulator
Which frequently used source of mechanical energy will eventually run out?
solar energy
wind
coal
running water
WhichWhich question can be asked to learn about the inherited physical traits of the cow?
Why does the cow have brown fur?
Is the cow tame enough to pet
Has the cow been fed today?
How old is the cow?
