Electromagnets
What is an electromagnet?
A magnet created by wrapping wire around an iron core and passing current through it.
What is sound energy?
Energy produced and transmitted through vibrating matter.
What is radiant energy?
Energy that travels in waves, including visible light.
What is matter?
Anything that has mass and takes up space.
What is the Earth's system made up of? (The four layers)
The crust, mantle, outer core, and inner core—each with its own distinct characteristics. The outer two layers are composed primarily of rocky material. The innermost layers are composed mostly of iron and nickel.
What affects the strength of an electromagnet?
The number of coils, current amount, and wire gauge.
How does sound travel?
In compression waves through a medium.
How does light travel?
In straight paths and does not need a medium.
What is mass?
The amount of matter in an object.
What are the three types of tectonic plates?
Divergent, Convergent, and Transform.
Name one practical use for electromagnets.
In electric motors or magnetic cranes.
Why does sound travel faster in solids than in gases?
The particles in solids are closer together.
Name the colors of the visible spectrum in order.
Red, orange, yellow, green, blue, violet (ROYGBV)
What is an atom?
The smallest unit of matter.
What can cause earthquakes?
Movement at the boundaries of tectonic plates. ( Transform)
How can you create a simple electromagnet?
By wrapping wire around a nail and connecting it to a battery.
What determines the pitch of a sound?
The frequency of the vibrations.
What happens when light hits a mirror?
It is reflected.
What are mixtures?
Combinations of substances that maintain their individual properties.
What type of plate tectonics causes mountain formation?
Convergent Boundaries
Why are some materials better for electromagnets than others?
Certain materials, like iron, enhance magnetic properties.
What type of energy do musical instruments produce?
Sound energy through vibrations.
How do solar panels use light energy?
They convert light energy into electrical energy.
What is a solution?
A mixture where one substance is uniformly dissolved in another.
How do rocks change from one type to another?
Through heat, pressure, weathering, and erosion.