The process of wearing away rock is known as
erosion
hurricane
deposition
weathering
Weathering by wind, water, and ice produces
solution
deposition
sediment
An opening from which lava erupts is a(n)
volcano
earthquake
magma
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
plasma
solid
liquid
matter without a definite volume or shape
gas
liquid
solid
plasma
Which of these correctly describes how water changes state?
liquid water melts to form ice
liquid water boils to form water vapor
water vapor evaporates to form liquid water
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 smell coming off of the lit match
the heat coming off of the flame
Which is a physical property of matter?
the ability to burn
the ability to rust
the ability to decay
the ability to dissolve
A path along which electric charges flow
insulator
static electricity
current
circuit
The build up of electric charges on an object
current electricity
static electricity
conductor
generator
A material through which electricity travels easily
insulator
magnet
conductor
generator
An object that attracts iron and a few other metals
electric motor
insulator
magnet
generator
A material that resists the movement of electric current through it
conductor
electromagnet
insulator
generator
Which frequently used source of mechanical energy will eventually run out?
coal
solar energy
wind
running water
WhichWhich question can be asked to learn about the inherited physical traits of the cow?
How old is the cow?
Is the cow tame enough to pet
Why does the cow have brown fur?
Has the cow been fed today?
