Unit 1
what is the formula for calculating average speed?
v=d/t
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's Third Law of Motion
For every action, there is an equal and opposite reaction.
Is density a physical or chemical property?
physical
who created the periodic table?
Dmitri Mendeleev
what is the definition of acceleration?
a change in velocity over time.
Newton's Second Law of Motion
Force = mass x acceleration.
What happens if you hold the north poles of two different magnets close to each other?
they repel each other
Is wood burning a physical or chemical change?
chemical
what is an atom?
smallest unit of matter
what method did Socrates develop?
inquiry
If f=ma, then what would m be if f= 8 and a = 2
m = 4
What term is defined as the ability to cause change?
energy
In an exothermic reaction, energy is _________.
released
what is a substance made of only one type of atom called?
element