The process of wearing away rock is known as
weathering
erosion
hurricane
deposition
Weathering by wind, water, and ice produces
deposition
sediment
solution
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 crust is divided into parts that move
Earth's mantle is solid
Earth's inner core causes changes in the crust
Earth's outer core is liquid and the inner core is solid
Matter that has a definite volume but no definite shape
gas
plasma
solid
liquid
matter without a definite volume or shape
liquid
solid
gas
plasma
Which of these correctly describes how water changes state?
water vapor evaporates to form liquid water
Ice condenses to form liquid water
liquid water melts to form ice
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 heat coming off of the flame
the smell coming off of the lit match
the shape of the match
the match turning black as it burns
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
circuit
insulator
current
static electricity
The build up of electric charges on an object
conductor
current electricity
static electricity
generator
A material through which electricity travels easily
insulator
magnet
conductor
generator
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
electromagnet
conductor
generator
insulator
Which frequently used source of mechanical energy will eventually run out?
coal
solar energy
running water
wind
WhichWhich question can be asked to learn about the inherited physical traits of the cow?
Has the cow been fed today?
Why does the cow have brown fur?
How old is the cow?
Is the cow tame enough to pet
