Chemistry
Forces and Motion
Energy and Thermodynamics
Properties of Matter
Potpourri
100
This type of change occurs when molecular bonds break and new bonds formed,
What is a chemical change?
100
The SI unit of Force?
What is Newton?
100
It's abbreviated K.E.; Lionel Messi is good at giving it to a soccer ball
What is Kinetic Energy?
100
Element group that are shiny, malleable, ductile, and good conductirs
what are the metals?
100
When combined with oxygen, this lightest chemical element makes water.
what is hydrogen?
200
A chemical reaction in which heat is released.
What is an Exothermic Reaction?
200
The motion of a car
What is quickly coming to a stop?
200
Rubber does not allow electrons to flow easily across its surface.
What is an insulator?
200
A uniform mixture that involves a solute dissolving in a solvent
what is a homogeneous mixture or solution?
200
As seen in the image below, copper turns green because of this chemical reaction, also known as rusting.
What is oxidation?
300
What is a synthesis reaction?
300
The motion of the car
What is constant acceleration?
300
This fundamental force is not "weak" and binds nucleons together in the nucleus.
What is strong nuclear force?
300
An element's position in the periodic table is based on this
what are the number of protons in the nucleus?
300
Sustaining plant life on Earth, this process in the chloroplast is divided into the light reactions & the dark reactions
What is Photosynthesis?
400
Substances listed on the left side of a chemical equation
What are the reactants?
400
An object in motion will continue moving unless acted upon by an outside unbalanced force
What is Newton's First Law?
400
The second law of thermodynamics says that this will of its own accord only move to a colder object
What is Heat?
400
The chemical reaction between sodium (na) and Chlorine (Cl) forms this
what is NaCl or salt?
400
What is Refraction?
500
States: matter is not created or destroyed
What is the principle of conservation of mass?
500
This is the longest wavelength in the electromagnetic spectrum, but has the lowest energy.
What is radio waves?
500
In this "effect" first described in 1842, the pitch of a train whistle seems to change as it moves
What is the Doppler Effect?
500
In 1923 Bronsted & Lowry figured out that these substances donate protons to bases.
What is an Acid?
500
This type of nuclear reaction results in the breakdown of unstable nuclei into smaller nuclei and high-energy particles over a long period of time
What is radioactive decay?