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Stagnant glaciers Started 1 month ago by jksweets	jksweets 1 month	0
what type of line carries sound waves best Started 4 months ago by guest	guest 4 months	0
what is the amount of gravitational force between objects ? Started 5 months ago by guest	jlindsey 5 months	2
How can an object's terminal velocity be increased? Started 6 months ago by guest	drglenndritchie 6 months	1
Expain in 2 ways how you can determine the direction a river or creek is flowing Started 6 months ago by guest	drglenndritchie 6 months	1
How does a contact force differ from a non-contact force? Started 7 months ago by guest	drglenndritchie 7 months	1
what types of plate boundary are in Ireland Started 7 months ago by guest	drglenndritchie 7 months	1
Why does sound become louder when made through a longer tube? Started 7 months ago by alw2	drglenndritchie 7 months	1
Help Started 7 months ago by aj42698	drglenndritchie 7 months	1
what are hertz? Started 10 months ago by hivhsd	drglenndritchie 10 months	1
The technology used in space helmets can block 100% of harmful radiation? Started 11 months ago by guest	guest 11 months	1
water _____ light as it passes through Started 11 months ago by guest	guest 11 months	1
Use the particle theory to describe what happens to water in a fish bowl that is located beside a su Started 11 months ago by guest	drglenndritchie 11 months	1
an unbalanced force will cause motion to be Started 11 months ago by guest	drglenndritchie 11 months	1
a 10 ohm resistor has 5 A current in it. what is the voltage across the resistor Started 11 months ago by guest	drglenndritchie 11 months	1
ramp Started 11 months ago by guest	drglenndritchie 11 months	1
can physical change measure an object's mass Started 12 months ago by guest	jlindsey 11 months	1
how can you make fluid flow up a straw? Started 12 months ago by guest	drglenndritchie 11 months	1
Are two vacuums stronger than one or just faster? Started 11 months ago by guest	drglenndritchie 11 months	1
In your own words, explain how polarized sunglasses work, Describe the properties of electromagnetic Started 12 months ago by guest	drglenndritchie 12 months	1
sound waves with frequencies greater than 20,000Hz are called? Started 12 months ago by guest	drglenndritchie 12 months	1
what is frequency of a sound wave that has a wavelength of 3.0m? Started 12 months ago by hazel	jlindsey 12 months	1
A force can cause a object to change speed or direction Started 1 year ago by TeamPlayer25	jlindsey 1 year	1
Is the thinnest strings on violin play the highest notes Started 1 year ago by guest	drglenndritchie 1 year	1
a peson runs slower on sand than on pavement why Started 1 year ago by joanzy	drglenndritchie 1 year	1
a student plans to build a roller coaster which the 2nd hill is taller than the first hill. would th Started 1 year ago by johnny boy	drglenndritchie 1 year	1
force and motion Started 1 year ago by guest	drglenndritchie 1 year	1
The first element in a compound has its ending dropped and “ide” added. true or false Started 1 year ago by guest	drglenndritchie 1 year	1
what is a device that produces elecrical energy from heat energy Started 1 year ago by guest	drglenndritchie 1 year	1
to get matter to change phase, or state, you must always do what? Started 1 year ago by guest	drglenndritchie 1 year	1