Is Nuclear Fission a chain reaction?
YES
The ability to make changes and do work
What is energy?
the energy of motion
What is Kinetic Energy?
Can mechanical energy exist without kinetic energy?
Yes however only if potential energy is present.
Which force pulls you down a playground slide?
What is gravity
What does "passive safety features" mean?
The safety depends on physics instead of active interventions.
Energy that can be heard
What is sound?
What is the formula for kinetic energy?
KE= 1/2mv^2
Potential energy is _____ energy.
stored
Name 3 surfaces with high friction.
Student answers.
Is there lack of security with nuclear power plants because of how unstable they are?
YES
Many light sources also give off ______
What is heat?
What is the opposite energy of Kinetic energy?
What is potential energy?
Is a rock lying in the dirt an example of kinetic energy? Why or why not?
No because it has no movement/motion.
The type of force which results in movement?
What is an unbalanced force?
Which produces less radiation? Nuclear Fusion or Nuclear Fission?
Nuclear Fusion.
The three sources you need to make a shadow
What is a light source, an object, and a surface?
the __________ an object moves, the more kinetic energy it has
Faster
An example of mechanical energy has to contain both kinetic and potential energy
False
Ms. Wallbrown's class and Mrs. Edmisten's class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?
The two classes are pulling with the same force.
Nuclear energy can be released by fusion of two
Light elements.
The taking in of light by a material
What is absorption?
If a ball is rolling at 1 ft. per second and it is 2 pounds. What is the Kinetic energy?
What is KE= 2?
Mechanical energy involves ______ and the ________ of an object.
motion;position
What two forces are acting together to keep a cup balanced on a table?
What is gravity and the force of the table holding the cup up