optics basic
A material that allows all light to pass through clearly.
What is transparent?
An atom or molecule that has gained or lost electrons and has a charge
what is an ion?
A reaction where a substance reacts with oxygen and releases energy.
what is combustion?
Ice that extends from land into the ocean.
what is an ice shelf?
One consequence of melting polar ice caps.
What is sea level rise?
The bending of light when it passes through different materials.
What is refraction?
A substance that speeds up a chemical reaction without being used up.
what is a catalyst?
Adjusting coefficients so the number of atoms is equal on both sides of a reaction.
What is balancing chemical equations?
The Earth system that includes all water
what is the hydrosphere
Tree rings provide information about this past condition.
What is climate?
A dark central part of a shadow formed by a point light source.
What is the umbra?
A scale used to measure how acidic or basic a solution is.
what is pH?
Factors like temperature, concentration, and catalysts affect this.
What is the rate of reaction?
The Earth system that includes all water
what is a carbon?
Ocean currents help regulate Earth’s ______.
What is temperature (or climate)?
A mirror that curves inward and can form real or virtual images.
What is a concave mirror?
A reaction between an acid and a base that produces water and a salt.
What is neutralization?
Compounds made from metals and non-metals that form ions.
what are ionic compounds
Long periods of extremely high temperatures.
What are heat waves?
Tiny air bubbles in glacial ice cores provide evidence of this.
What are past atmospheric gas levels?
The rule stating the angle of incidence equals the angle of reflection.
What is the Law of Reflection?
A principle stating matter cannot be created or destroyed in a chemical reaction.
What is the Law of Conservation of Mass?
This gas relights a glowing splint.
what is oxygen?
A system that charges money for releasing carbon emissions.
what is carbon tax?
Polar bears depend on sea ice mainly for this activity.
What is hunting for food?