Chemistry
What is an atom?
An atom is the simplest form of matter in the universe.
What chemical symbol is Hydrogen?
H
What is the standard unit to measure speed?
Meters per second.
What is matter?
Anything with mass and takes up space.
What is Bernoulli's Principle?
As the speed of a moving fluid increases, its pressure decreases.
What is a physical change?
It changes the appearance of an object but the properties do not change. For example, a haircut.
What is the only metal that is liquid at room temperature?
If someone runs 21 miles in 3 hours, what's their pace?
What are protons, neutrons, and electrons?
The main particles of an atom.
True or false. Does water exert greater pressure than air?
True.
What is the Law of Conservation Mass?
Matter cannot be created nor destroyed during a chemical reaction.
How are the elements organized on the periodic table?
Atomic numbers
What is Newton's first law of motion?
An object at rest will remain at rest
What is acceleration?
The rate of velocity and direction.
What is buoyancy?
The ability for an object to float.
What is a chemical change?
A chemical change is when a new substance is formed with new properties.
Who is Dmitri Mendeeleev?
Russian chemist who made the first periodic table.
What is inertia?
The property of matter that causes objects to resist change changes to their current state of motion.
What is a scientific theory?
A tested experiment for a range of results.
What's the formula for pressure?
p=f/a
What is a mixture?
A mixture consists of two or more substances that are physically combined but not chemically bonded.
What are noble gases?
Unreactive, stable nonmetals in group 18.
What is Newton's 3rd law of motion?
For every action, there is an equal and opposite reaction.
What is a conductor?
A material that allows electricity to flow through.
What is drag?
Force that opposes or restricts motion in a fluid.