Exciting Earth.
what is the area under the Outer core of the Earth?
The Inner Core
what is a solution?
A solution is when two objects get mixed together but are not the same
Example: sugar in water.
sound happens when...
Vibration happens.
completed sentence: Sound happens when vibration happens
if Billy pushes a box to the left with 25 newtons of force to the left, and Silly is pushing that same box with 15 newtons of force to the right, what is the sum of the forces?
10 newtons of force to the left.
True or false: a push is a type of force.
true. a push is a type of force.
When sediment is compacted together, what type of rock does it form?
Sedimentary rock.
fill in the blank: everything around us is made up of...
Atoms. Everything around us is made up of atoms.
what is pitch?
Pitch is how high or low a sound is.
if Sam pushes a box with 38 newtons of force to the right, and Fred pulled the box with 36 newtons of force also to the right, what is the sum of the forces?
74 newtons of force to the right.
True or false: the mantle is above the crust.
False. the mantle is under the crust.
when sediment gets dropped of in a different place, what is that called?
this is called Erosion.
name two or more examples of a gas.
you could have done water vapor, steam, smoke, oxygen, carbine dioxide, and so much more I don't know yet.
what is a sound wave?
Sound waves are vibrations from a sound source that moves the atoms of a medium.
what is a net force?
a net force is a combination of all forces combined onto an object.
True or false: a Guitar makes sound when you pull a string and let it vibrate.
True. The vibration of the strings causes soundwaves to happen. Fun fact: the shorter the sting, the higher the pitch will be.
what are all the types of layers on Earth?
Crust, Mantle, Outer core, and Inner core. (all in order.)
What is matter made up of?
matter is made up of atoms and molicules.
what is a longitudinal wave?
a wave that moves away from a sound source.
what is a force?
a force is a push or a pull.
True or false: mass and weight are the same thing.
FALSE!!! mass and weight are not the same. example: if you weighted 30 pounds on earth, then you travel to the moon, your weight decreases but your mass stays the same. (I hope I helped anyone who didn't know what the difference was!)
what are all the different types of rocks?
Sedimentary, igneous, and metamorphic rocks.
what are the 3 phases of matter? name 3 examples of them
solid (cookie), liquid (milk), and gas (water vapor).
what type of energy is sound?
sound is an example of mechanical energy.
(good job!)
If I push a box with 1,374 newtons of force going to the right, and you push the box with 1,374 newtons of force to the left, what is the sum of the forces?
0 net force. the forces balance each other out.
True of false: rarefaction is when atoms are pushed together by sound.
false. Rarefaction is when atoms are pushed apart by sound.