Matter
Which two states of matter do not have a particular form or shape but take the shape of their container?
Liquid and Gas
What is the charge of a neutron?
Neutral
What does a lubricant do?
Reduces friction
Name two forms of energy we get from fossils.
coal, oil, and natural gas
What three things are needed to start a fire?
fuel, oxygen, and heat
What do we call the point at which a solid becomes a liquid?
The melting point
What do we call a solid with a regular repeating arrangement of atoms?
A Crystal
What is kinetic energy?
energy in motion
Name the two primary kinds of renewable energy.
sun and wind
What do we call a gadget that stores electricity?
A capacitor
What do we call the point at which a liquid becomes a gas?
The boiling point
A Polymer
What is potential energy?
stored energy
True or False: Ultrasound is too low for our ears to hear.
False- Ultrasound is too high
What kind of current comes through your house from a power plant?
An AC or alternating current
What temperature is the freezing point of water?
32 degrees Fahrenheit or 0 degrees Celsius
Name two polymers
Natural: proteins, cellulose, natural rubber
Man-Made: plastic, nylon, synthetic rubber
What do we call vibrations that travel through a material from a source?
sound
What does ROY G. BIV stand for?
The colors in the electromagnetic spectrum: Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
What kind of current-series or parallel- would you prefer to have for your Christmas lights? Why?
Parallel because if one bulb burns out, the rest will stay lit.
What is the boiling point of water?
212 degrees Fahrenheit or 100 degrees Celsius
What is the PH of Pure Water?
7
What is the law of universal gravitation?
All objects are attracted to other objects according to their mass and distance.
What are two kinds of invisible light at each end of the light spectrum?
ultraviolet and infrared
What is temperature?
The measurement of how active the molecules are in a substance.