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Types of Energy
Conservation of Energy
Calculations
Nuclear Decay and Energy
Surprise!!
100

________ _________ is the energy of motion

What is kinetic energy?

100
The amount of kinetic energy that an object contains depends upon two things: speed and ________.
What is mass?
100

In the kinetic energy and gravitational potential energy formulas what unit is mass measured in?

What is Kilograms (kg)?

100

The type of decay where the type of element stays the same. 

What is gamma decay?

100

The time it takes for a substance to decrease by half of its amount

What is a half-life?

200

The type of energy an elastic band has.

What is elastic potential energy?

200

Energy is never _____________ or _______________.

What is created or destroyed?

200

What is the value of the acceleration due to gravity (g) that is used in the Ep calculations?

What is 9.81m/s2?

200

The numbers 4 and 2 associated with alpha decay mean....

What is..

4 is the number of protons + neutrons

2 is the number of protons

200

Carbon-12 and Carbon-14

What are isotopes?

300

The two types of nuclear energy and the difference between them.

What is Fusion (nuclei fuse together) and Fission (nucleus splits apart)?

300

The environment that will make all objects fall at the same rate regardless of mass. 

What is no air resistance?

300

A freight elevator with a mass of 120 kg is moving with a speed of 2.50 m/s. What is it’s kinetic energy?

What is 375J?

300
The element changes in Beta decay because.....

What is Beta decay causes an increase in protons, this changes the element?

300

An atom has a mass of 32 and an atomic number of 16. How many neutrons does it have?

What is 16?

400
The spring constant of a spring depends on the following (at least two)

What is design, temperature, material?

400
A pendulum converts this type of energy into another type of energy
What is gravitational potential into kinetic and back and forth?
400

If it took 565 J of gravitational potential energy to carry a 12 kg box up a flight of stairs, how high is the flight of stairs?

What is 4.8m?

400

Explain how a chain reaction occurs in Fission.

What is a neutron collides with the isotope and splits it and smaller isotopes and free neutrons are created. These free neutrons collide with other isotopes and cause them to split. 

400

Radioactive decay where the charges in the nucleus do not change

What is gamma decay?

500

Name 4 types of kinetic energy.

What is:

Mechanical kinetic energy, Thermal energy, Sound energy, Electrical energy


500

Explain the energy transformations involved in a bungee jump.

What is originally GPE, then kinetic, then elastic potential then both kinetic and GPE?

500
What is the speed of a 0.155 kg billiard ball that has 12.0 J of kinetic energy?
What is 12.4 m/s ?
500
The product of Uranium-238 alpha decay

What is Thorium 234?

500

The movie we watched in science

What is a Life on Our Planet?