periodic table
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100

what is a fossil fuel

a nonrenewable energy source formed from the fossilized remains of ancient plants and animals buried and transformed over millions of years by heat and pressure

100
What is a Wave

A wave is a repeating disturbance that transfers energy through matter or space

100

What is a simple machine?

A simple machine is a machine that does work with only one movement of the machine.

100

in what ways can atoms differ from each other

variations in the number of protons, neutrons, and electrons they possess

100

what kind of energy does a power plant create

electrical energy

200

how are fossil fuels made?

fossil fuels are formed over millions of years from the remains of ancient plants and animals

200

What is a Medium

A medium is matter through which a wave travels

200

What is energy?

Energy is the ability to cause change.

200

what are atoms made of

protons, neutrons, and electrons

200

how can you get the energy you need with the least impact on the environment

prioritize renewable energy sources like solar, wind, and hydroelectric power

300

what are two nonrenewable resources

coal and oil

300

What are the high and low points of a wave called?

Crest and Troughs

300

What is Kinetic energy?

Kinetic energy is energy due to motion

300

what do atoms of different elements have in common with each other

composed of the same subatomic particles

300

how can the flow of electricity be compared to the flow of water

Electrical current, the flow of electrons, is analogous to the flow of water through a pipe

400

how are renewable resources used

 to generate electricity, heat, and transportation fuel

400

What is the period of a wave for?

The period of a wave is the amount of time it takes one wavelength to pass a point.

400

What is system?

A system is anything around which you can imagine a boundary.

400

how are the elements in each group of the periodic table similar to each other

they have the same number of valence electrons in their outermost shell

400

what is the difference between charging by contact and charging by induction

Charging by contact involves direct physical touch between objects, leading to a transfer of charge. Charging by induction, on the other hand, occurs without physical contact, through the influence of an electric field from a nearby charged object

500

what is acid rain caused by

the release of sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere

500

What is Amplitude?

Amplitude is a measure of the size of the disturbance from a wave.

500

How does Potential energy work

Potential energy is stored energy that is from the interactions between objects.

500

what are the three main categories of elements and regions of the periodic table 

metals, nonmetals, and metalloids

500

what types of charges exert forces from each other

positive and negative charges

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