Chemistry
A mixture with small clumps and particles that are not soluble
What is a colloid?
The transfer of heat through direct contact
What is conduction?
A movement in matter
What is motion?
An object lifted or moved by a machine
What is load?
Energy can neither be created nor destroyed, only transferred
What is the law of conservation of energy?
A method used to separate solid materials from one another
What is sifting?
The transfer of heat by moving liquid or gas
What is convection?
Forces that result in work
What is unbalanced?
A model of a design used for testing
What is a prototype?
Total mass of subjects stays the same before and after an interaction
What is the law of conservation of mass ?
The form of matter that can keep its shape
What is a solid?
A machine that converts mechanical (moving) energy into electrical energy
What is a generator?
A pulling force between a rope and an object
What is tension?
A limitation or boundary for the design process
What is a constraint?
Speed and direction of an object does not change unless acted upon by unbalanced forces
What is the first law of motion?
A neutral subatomic particle with no charge
What is a neutron?
The ability to do work and change matter
What is energy?
A resisting force between two objects rubbing against one another
What is friction?
An increase of force made possible by a machine
What is mechanical advantage?
An object's acceleration is determined by forces acting upon it as well as its mass
What is the second law of motion?
A homogenous mixture in which one kind of substance is dissolved into another
What is a solution?
Stored energy
What is potential?
The pull of gravitational force exerted on an object by another
What is weight?
A person who uses science to develop technology
What is an engineer?
For every action, there is an equal and opposite reaction
What is the third law of motion?