The process of wearing away rock is known as
weathering
hurricane
erosion
deposition
Weathering by wind, water, and ice produces
sediment
deposition
solution
An opening from which lava erupts is a(n)
volcano
magma
earthquake
Volcanoes and earthquakes are effects of plate tectonics. What does the theory of plate tectonics state?
Earth's outer core is liquid and the inner core is solid
Earth's inner core causes changes in the crust
Earth's crust is divided into parts that move
Earth's mantle is solid
Matter that has a definite volume but no definite shape
plasma
gas
solid
liquid
matter without a definite volume or shape
solid
plasma
liquid
gas
Which of these correctly describes how water changes state?
water vapor evaporates to form liquid water
liquid water melts to form ice
liquid water boils to form water vapor
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 match turning black as it burns
the shape of the match
the smell coming off of the lit match
the heat coming off of the flame
Which is a physical property of matter?
the ability to rust
the ability to decay
the ability to burn
the ability to dissolve
A path along which electric charges flow
insulator
circuit
current
static electricity
The build up of electric charges on an object
conductor
generator
current electricity
static electricity
A material through which electricity travels easily
magnet
insulator
generator
conductor
An object that attracts iron and a few other metals
magnet
electric motor
generator
insulator
A material that resists the movement of electric current through it
generator
conductor
insulator
electromagnet
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?
How old is the cow?
Why does the cow have brown fur?
Is the cow tame enough to pet
Has the cow been fed today?
