Matter and Its Interactions
what are the 3 types of matter
solid; liquid and gas
What is the push or pull on an object that can cause it to accelerate called?
force
what change would most likely increase the rate of a chemical reaction
adding a catalyst to the reaction mixture
Which of the following is an example of a solid?
a. Air you breathe
b. Coffee you drink
c. A chair you sit on
d. Water you swim in
e. All of the Above
a chair you sit on
What is the unit of measure for force?
Newton
What basic form of energy is present in the lighting bold?
electrical energy
Which of the following is the common name for the solid state of water?
a. Liquid
b. Rain
c. Steam
d. Ice
e. Vapor
ice
What is the sum of all forces acting on an object called?
net force
Energy associated with the motion of molecules is an example of
heay energy
Which of the following states of matter is the most abundant state of matter in the universe?
a. Solid
b. Liquid
c. Gas
d. Plasma
e. Bose-Einstein condensates
plasma
In a tug of war, when one team is pulling with a force of 100 N and the other 80 N, what is the net force?
20 N
What form of energy is produced when Uranimum-235 undergoes fissions
nuclear
10. Which of the following statements is true about plasma as a state of matter?
a. It occurs at very high temperatures
b. It is found in stars
c. It's like gas, but some molecules have become ions
d. It is found in lightning bolts
e. All of the Above
all of the above
If you apply a net force of 3 N on 100 g-box, what is the acceleration of the box?
30 m/s2
What energy change occurs when a rock falls off of a cliff?
potential to kinectic