Energy
The ability to cause change.
Energy
According to the _______________________________
energy is never created or
destroyed.
law of conservation of energy
What we need to have solar energy.
The sun
All cells have an outer covering called a
Cell membrane
the energy an object has due to its
motion.
Kinetic energy
As a ball comes to a stop the kinetic energy in the ball turns into _______ _____.
potential energy
Fossil fuels are coal, oil, and _______ ___.
natural gas
A protective layer around all plant cells.
Cell wall
If a rock is rolling 15 mph and a basketball is rolling 25 mph, which has more kinetic energy?
The Basketball
Food transforms into ________ ______ as the body digest it.
Chemical energy
gas. Oil and natural gas were made from the remains of ___________ _________ that lived in Earth’s oceans millions of years ago.
microscopic organisms
Inside every cell is a gelatinlike material called.
Cytoplasm
The energy stored in an
object because of its position.
Potential energy
A _________ is a device that transforms kinetic energy
into electrical energy.
generator
Coal was formed by a similar process from the remains of
Coal was formed by a similar process from the remains of _______ ______ that once lived on land.
ancient plants
directs all cell activities
Nucleus
__________ ________ increases as its temperature
increases.
Thermal enrgy
example, changes into thermal energy when something burns.
Chemical energy
An energy source that is used up much faster than
it can be replaced is a __________ ________.
nonrewable resource
In plant cells, food is made in green organelles in the cytoplasm called.
Chloroplast