Why does it MATTER?
The Law of Conservation of Matter states...
Matter cannot be created or destroyed
see drawing
If the reactants of an equation have a mass of 60 grams, what should the mass of the products be?
60 grams
What is the element symbol for sodium?
NA
David pushed an object with 10 Newtons of force to the left. Sarah pushed the same object with 3 Newtons of force to the right. What is the net force on the object?
7 Newtons
What energy transformation occurs when a battery powers a light?
chemical to electric
How do you calculate average speed?
total distance/total time
Force =
Mass x Acceleration
What energy transformation occurs when a wind turbine powers a home?
Mechanical to Electrical
Explain the transfer of energy that occurs in a food web or an energy pyramid?
Each level gains energy energy from the level below. 10 percent of the energy moves up and the other 90 percent is released as heat.
What are the signs of a chemical reaction?
CGLTPO
If the force on an object goes up, while mass stays constant, what happens to the acceleration?
the acceleration will increase
If wavelength goes up, what happens to frequency?
frequency will decrease, this is an inverse relationship