Force & Motion
What is Newton's First Law of Motion?
A body at rest stays at rest and a body in motion stays in motion unless a force is acted upon it.
What is the definition of attracting and repelling magnets?
Attracting Magnets- magnets that come together due to a magnetic force. Poles are at the opposite direction.
Repelling Magnets- magnets that move away from each other. Poles are at the same direction.
What is pasteurization mean?
Heating, liquid or solid at high temperatures, to kill the harmful bacteria.
How can the appearance of a substance change without becoming a different substance?
Phase Change
What are the two parts of a balanced equation called?
Reactant and product
Newton's 2nd Law of Motion
Change of power source and can be turned on an off are what in terms of magnetic field.
The differences between electromagnetic magnets vs. permanent magnets are that.
What does Thermal Energy mean?
Total kinetic energy.
What is freedom of movement?
The ability of molecules to move around relative to each other, which is directly related to the state of matter (solid, liquid, or gas).
What does chemical reaction mean?
A process in which atoms rearrange to form new substances.
What is Newton's Third Law of Motion?
For every action there is an equal, but opposite reaction.
What happens to the potential energy when repelling magnets are held in place?
The closer they are the more potential energy is needed.
Name one reason as to why the air in the molecules in the school to speed up.
1. The system was larger
2. The thermal energy increased.
3. Energy is transferred in.
What is condensation?
It is a process when a substances changes from gas to liquid.
What are endothermic reactions?
It absorbs energy from the surroundings that is in the form of heat.
What is friction?
A resistance that one surface object encounters. Applied opposite direction as the current motion.
Draw a magnetic that can attract and repel on the board?
The magnets should be going the same direction, so it should be repelling, but one of the magnets needs to be titling and facing one of the poles towards each other. (Mrs. Dyquiangco will check on the board)
Why does a hot tub have more thermal energy then a teacup filled with warm water, even though they have the same temperature?
It is because of size of the container. The larger in size there will be more total kinetic energy.
Name all the properties of solid.
Rigid, stays at the bottom, and moves in place
Balanced this equation?
_____Rb + _____P ----- Rb3P
3, 1, 1
Name the five ways an object's motion can change?
1. Stop
2. Start
3. Slow down
4. Speed up
5. Change direction
Explain how PE and KE relate to magnets?
Magnets will only move with PE stored in the magnet, but it is the strength, size, and distance will allow for the magnetic to have KE.
What was the importance of the POW vs. People science seminars?
Name all the weird water articles and its phase change that goes with each article.
Sloth Canyon- Condensation
Old Faithful Geyser -Evaporation
Glacier Caves- Melting
Frozen Niagra Falls- Freezing
Balanced this equation?
___C2H6 + _____O2 ----_____CO2 + ____H2O
2, 7, 4, 6