Big Bang
According to the scientist, the beginning of the universe was a small point of only this
What is energy?
Water behind a dam represents this type of energy.
What is gravitational potential energy?
Energy cannot be
What is created or destroyed?
The energy a rock on a tall mountain.
What is gravitational potential energy?
The kinetic energy of a 1,000 kg car moving 10 m/s.
What is 50,000 J?
The first gas that formed during the period of the universe known as the Dark Ages because the atoms of this element assembling consisting of one proton and one electron.
What is Hydrogen?
The potential energy that metabolism utilizes.
What is chemical potential energy?
Energy can be
What is transferred or transformed?
Calories in food items.
What is chemical potential energy?
The potential energy of a 10 kg model plane flying at 10 m off the ground.
What is 980 J?
A device used to attempt unifying the four fundamental forces that separated after the Big Bang: strong nuclear, weak nuclear, electromagnetic, and gravitational force.
What is a particle accelerator?
Energy that is typified by movement.
What is kinetic energy?
The KE and PE initially should be equal to these according to the Law of Conservation of Energy.
What is the KE and PE final?
Electrons in a cell phone battery.
What is electrical potential energy?
The kinetic energy of a system having 5,000 J of mechanical energy and 500 J of potential energy.
What is 4,500 J?
The strongest of the 4 fundamental forces that forms the fabric of the universe.
What is gravity?
Energy that astronomers are aware of but have been unable to detect giving it the name it bears.
What is Dark Energy?
Mechanical energy of a system includes
What are PE and KE?
The energy in a stretched bungee cord.
What is elastic potential energy?
The height a kite is flying with 98 J of energy and a mass of 1.0 kg.
What is 10 m?
What the universe has been doing since the Big Bang?
What is expanding?
All energy that we are aware of now is transformed and transferred from this
What is the Big Bang?
Thermal energy in a system is caused by this
What is friction, or contact of particles?
The energy in the hydrogen atoms around a non-fusing layer in the sun.
What is chemical, gravitational, or nuclear potential energy?
The speed of a 0.25 kg golf ball dropped from 2.0 m just before it contacts the ground.
What is 6.26 m/s?