Random
what are the two labeled ends of a magnet?
N and S
give an example of a weak magnet and a strong magnet?
answers vary
what happens if you go into a MRI machine with metal on?
You will stick to the MRI machine
what is the definition of mass?
the amount of matter in an object
What is the kinetic energy of a horse going 4 m/s?
16 J
Name one element that often times creates a magnetic object?
Iron, nickel, and cobalt
How does sound relate to waves?
sound is a wave
what is the definition of a independent variable
the variable that you physically change?
what is the definition of volume?
the amount of space that something takes up
What is the average speed of a car that is going 5 m in 5 seconds?
1 m/s
Give me a specific example of an object that transfers from potential energy to kinetic energy?
answers will vary
what is the definition of a hypothesis?
an educated guess
what unit is electricity measured in?
volts
what is the definition of weight
the amount of gravitational force acting on an object
what is the acceleration of an object that has a mass of 3 kg and 15 N?
5 m/s^2
What are the two charges for electricity?
Why does a compass move when around magnets?
There are magnets in the tip of the compass
what is the definition of time?
what is the definition of a dependent variable
a variable that is affected by the independent variable
What is the weight of an object that has a force of 12 N and a mass of 1 kg?
9.8 Newtons
what happens if you put a N side of a magnet by another N?
What about if a I put a S and a N together?
repel
Come together
what is the definition of physical science?
the study of the world around you involving matter and energy
what are the steps to the scientific method
Question
Observation
Hypothesis
Experiment
Draw Conclusions
Analyze Data
Share
what can you do to electrical wires to increase the magnetic field and electrical output?
increase number of loops in the wire
3 Hertz