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he change of a liquid to a gas
Evaporation
The change from a gas to a liquid
Condensation
When weathered rock is picked up and moved
erosion
Hill of sand deposited by wind
dune
melted rock below the earth's surface
magma
overflow of water on land that is usually dry
flood
What is the BEST comparison of static electricity and electric current?
static is build up of electrons, current is flow
static has negative charges, current positive charge
static uses open circuits, current uses closed circuits
static runs through wires, current jumps across wires
Which statement about vertebrates is true?
vertebrates do not have backbones
vertebrates live only on land
most animals are vertebrates
vertebrates have skeletons
which of these actions can be reversed?
bending
tarnishing
burning
rusting
which statement describes how deposition builds up the surface of a floodplain?
a river slows down as it flows into the ocean
rainwater seeps into the ground and freezes
lava flows from a volcano and piles up
a river flows over its banks and slows down
What causes a liquid to change to a gas
a decrease in temperature
an increase in temperature
three kinds of cells: oak leaf, squirrel muscle, fern leaf. which will have chlorophyll
the oak leaf and fern leaf
only the squirrel muscle
only the fern leaf
all of the cells will contain chlorophyll
how can you control erosion at the beach?
groins
beach nourishment
storm drains
levees
How can you make an electromagnet stronger?
replace the iron core with a copper core
wrap the wire around the iron core fewer times
increase the electric current flowing through the wire
replace the copper wire with plastic wire
which is a wolf's instinct?
playing with other wolves
hiding in a den
barking
following its mother
a chef chops up several ingredients to make a salad
she changes the state of matter
she makes a solution
she makes a new substance
she makes a mixture
