What is the deepest part of the ocean?
Ocean Trench
In which phase of matter do the atoms take the shape of the container they are in?
liquid
This material DOES NOT allow electricity to flow easily through it.
insulator
The order of the Earth's layers from the inside to the outside.
inner core, outer core, mantle, crust
A car's motion is described by its direction and....
speed
Most of the ocean floor is covered in thick layers of mud, sand, pieces of shell and bones, and bits of rock. This is called....
sediment
Anything that has mass and takes up space is called what?
matter
What is a type of static electricity that occurs in nature?
lightning
This type of rock is created with heat and pressure.
metamorphic rock
Created when 2 objects rub against each other, slowing motion.
friction
Where is the salinity the highest in the ocean?
at the surface
This is formed when 2 or more substances are combined and do not lose their individual characteristics.
mixture
What 3 things are needed to create a simple circuit?
dry cell, wire, something to operate (light bulb)
What type of plate boundary do plates move away from each other?
divergent
What transfers between objects when they collide?
energy
These ocean organisms use energy from the sun to create their own food.
phytoplankton
All matter is made up of.....
atoms
The pathway taken by an electric current.
circuit
What type of energy causes tectonic plates to move?
thermal
What is measured in units of distance over a certain amount of time?
speed
If all of the phytoplankton disappeared, how would humans be affected?
Phytoplankton produce most of the Earth's oxygen. People and animals would die.
What causes phase changes?
temperature change
The strength of an electromagnet can be increased by doing what?
wrapping the wire around the iron nail more times
In which type of rock would you find a fossil?
sedimentary
A door that is being pushed from both sides by the same amount of force has what?
zero net force