Has a definite volume but not a definate shape
What is a liquid?
Form of energy and measured in JOULES
What is heat?
The upward force that pushes the wings upward against the downward pull of gravity.
what is lift?
the combination of all forces acting on an object
What is Net force?
The most simple and pure substance.
What is an element?
Has a definite shape and volume
What are solids?
This tells us how HOT something is.
What is temperature
Forward force produced by a plane's engine.
what is thrust?
produce no change in the motion of an object.
What are balanced forces?
A chemical combination of two or more different elements.
What is a compound?
In what state do molecules move extremely quickly and by bouncing off each other
what is gas?
It means that it has gained thermal energy.
objects have become hotter.
Force that opposes or restricts motion in a fluid.
What is Drag?
make objects start to move speed up, slow down, or change direction.
Unbalanced forces
A transformation that alters a substance's appearance, shape, or state of matter, but does not change its chemical composition
What is a physical change?
An unusual state of matter found in neon signs
What is plasma?
Heat is transferred through a material by being passed from one particle to the next
what is conduction?
Irregular air flow around a plane.
What is Turbulence?
In 1687, he published Philosophiae Naturalis Principia Mathematica.
Isaac Newton
occurs when one or more substances transform into entirely new substances with different chemical properties.
What is a chemical change?
A solid with particles placed randomly.
What is an amorphous solid?
Materials that conduct heat slowly or poorly
What are Insulators?
An object in water feels an upward push equal to the weight of the water it bumps out of the way.
What is the Archimedes' Principle?
an object’s tendency to resist a change in motion.
What is Inertia?
A measure of how acidic or basic a solution is.
What is PH?