Magnetism
Who is winning the NBA championship?
Rip Lakers :(
What must be true for current to flow in a circuit?
Circuit must be closed
Energy
At the top of projectile motion, what is the vertical velocity?
0
What is a hypothesis?
An educated prediction that can be tested
Do opposite magnetic poles attract or repel?
Attract
What is the flow of electric charge called?
Current
Friday, June 5th!!!
What force causes a satellite to move in a circle around Earth?
Gravity
In an experiment, what is the independent variable?
The variable you change
What tool uses Earth’s magnetic field to help navigate?
Compass
Why are houses wired in parallel instead of series?
Devices work independently
Is a sound wave transverse or longitudinal?
Longitudinal
Name ONE thing you remember from the first two quarters lol
Please remember something
A student tests how sunlight affects plant growth.
Identify:
IV = sunlight
DV = plant growth
Moving electric charges create what?
Magnetic fields
McCormick
What determines the pitch of a sound?
Wave frequency
True or false: An object moving in a circle at constant speed is accelerating.
True (direction is changing)
Why is it important to control some variables in an experiment?
So we can isolate the effect of one variable on another
Name two ways to make an electromagnet stronger.
Why do phone chargers sometimes get warm?
Resistance converts electrical energy into heat
Explain how simple harmonic motion is related to waves.
Particles oscillate in SHM while energy moves as a wave
Two balls start at the same height:
Which lands first?
They land at the same time
What's the tallest volcano on Lake Atitlan?
Volcan Atitlan