Light
Electricity
Refraction/Reflection
Pure Substances And Mixtures
Energy
100
What are the seven colors of white light?
100
What are two types of circuits?
Series and parallel.
100
What does mirrors do with light? (Reflect or refract)
They reflect light.
100
What is a compound?
A thing that is composed of two or more separate elements; a mixture.
100
What are the two types of energy?
Kinetic and potential energy.
200
What happens if all colors are reflected?
We see white color.
200
What are the materials in a simple circuit?
Wire, light bulb, battery and switch (if needed).
200
Give an example of refraction.
Example: Light going into water and getting refracted.
200
What are the two types of mixtures?
Homogeneous mixtures and heterogeneous mixtures.
200
What is the energy of a ball just standing on floor?
It has no energy.
300
What happens if all colors are absorbed?
We see black color.
300
What is the use of ampermeter?
It measures current.
300
What type of mirror can we use to prevent shop-lifting?
Convex mirror.
300
What kind of a mixture is sand and water?
Heterogeneous mixture.
400
What if only one color is reflected?
We see that color.
400
What is reflection?
The throwing back by a body or surface of light, heat, or sound without absorbing it.
400
What is the symbol of mercury.
Hg.
500
What is refraction?
The fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
500
Name four methods to separate mixtures?
Filtration, evaporation, distillation, separatory funnel.
500
In a roller-coaster that is going down from a high place, what happens to the energy?
Potential energy turns into kinetic energy.