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