if a roller coster is going up does it have potential or kinetic
kinetic
what is another name for ramp
incline plane
who said energy cannot be created or destroyed
Albert Einstein but some sites say that Julius Robert Mayer discovered the Law of Conservation of Energy.
how many heat transfers are there
3
what is x asis
indepdent
What is the #1 Lab Safety Equipment that you should wear?
googles
if a 200 pound guy is on a tetar toter with a 100 pound girl. Who should move closer to the fulcrum?
the 200 pound guy will get closer
(gas stove) Chemical Energy is converted to what
Thermal Energy
what is the transfer of thermal energy
heat energy
how many varibles can you test at a time
1
What should you do if something spills in the lab?
Tell the teacher immediately.
what is in the middle of the lever that balances it
fulcrum
The Sun transforms nuclear energy into what two energy's
heat and light
what is all matter is made up of
particles
Dependent Variable are
variables that depend on independent
Five (5) Forms of Energy *Mnemonic Device: HCSME! *Light, sound & nuclear (like the atom bomb) are forms of energy also, but more emphasis is placed on the main 5 forms.
1. Heat 2. Chemical 3. Solar 4. Mechanical (includes potential/kinetic) 5. Electrical-sound and light energy can be transformed with electrical energy in a circuit
how many types of machines are in a simple machines
6
human bodies convert chemical energy in our food into what energy
mechanical energy
Solar energy is the energy from what
sun
What variable is being manipulated in the following situations? The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead?
amount of lead in gasoline
what energy is used for food
chemical energy
a wedge is made up of 2 what that meets and form a sharp edge
incline planes
An electric fan transforms electrical energy into what energy
kinetic energy.
Solar cells can be used to convert what energy to electrical energy.
solar energy
Pea plant clones are given different amounts of water for a three-week period. Pea plant number one receives 400 milliliters a day. The second pea plant receives 200 milliliters a day. The third pea plant receives 100 milliliters a day. The fourth pea plant does not receive any extra water; the plant only receives natural ways of receiving water. The height of pea plants is recorded daily.how mush water does four pea plant get
what is no extra water