Motion and Forces
Work and Energy
Electrictiy
Nuclear Chemistry
Challenge
100

This is the constant acceleration of objects in free fall near the surface of the Earth.

 What is 9.8 m/s2

100

This is transferred by a force moving an object through a distance.

What is energy.

100

V=I x R represent this 

What is Ohms Law

100

These are the three types of nuclear decay

What are alpha beta and gamma decay

100

A steering wheel is an example of this

What is a wheel and axle

200

Acceleration is defined as any change in speed or this.

What is direction

200

This is the energy stored in an object through position or shape.

What is potential energy.

200

If an atom loses and electron it becomes this

What is a positively charged ion

200

These are created by bombarding atomic nuclei with high energy particles

Artificial transmutations

200

Nuclear decay is associated with this force

What is weak nuclear force

300

If an object is slowing down this word could describe its acceleration

What is negative

300

These are the processes through which Einstein's equation can be applied 

What are Fission and Fusion

300

This is the type of electric current a simple battery provides

What is direct current

300

These are subatomic particles theorized to be among the smallest basic units of matter

What are quarks

300

This will always be less that 100% in any working machine

What is efficiency

400

A falling raindrop experiences these forces.

What are gravity and air resistance

400

The potential energy at the beginning of an event and the kinetic energy at the end of an event are this

What is equal

400

These devices amplify incoming signals in a mobile phone

What are transistors

400

These are elements with atomic numbers greater than 92.

What are transuranium elements.

400

A bicycle is and example of one of these

What is a compound machine

500

Newtons third law can be described in this way

What are action reaction pairs.

500

Ocean tides are closely associated with this force.

What is gravity

500

This is maintained across the terminals of a battery

What is potential difference

500

Extremely high temperatures and the containment of plasma are 2 obstacles to using this process to produce energy.

What is fusion

500

This word best describes Newton's first law.

What is Inertia.