Solids, liquids and gases are considered what....?
What is the three basic types of matter or the three states of matter
100
A piece of information about a substance that can be observed or measured without changing the matter's identity, is called what?
What is a physical property
100
When a substance has not changed, the change is
What is a physical change
100
__________________ is defined as the energy that an object stores and no movement
What is potential energy
100
what is the formula for Speed?
S=D/T
200
Name one of the units most often used to express the volume of a liquid.
What is Liters (L), Milliliters (mL), or Cubic Centimeters (CC).
200
These cannot be readily observed without the potential of changing the properties of the matter.
What is a chemical property
200
Tearing a piece of paper into smaller pieces, sharpening a pencil, and ice melting to water, are examples of what kind of change?
What is a physical change
200
Name 4 types of energy
What is...
- Mechanical
- Heat
- Sound
- Light
200
What is buoyancy?
the force exerted upwards to make something float
300
Name at least two characteristics of a liquid:
1. No definite shape,
2. definite mass and volume
3. The atoms are close together and can slide around
300
The amount of mass something takes up (density) is an example of
What is a physical property
300
Mixing vinegar and baking soda together is an example of what kind of change?
What is a chemical change or chemical reaction
300
As the guitar strings vibrate, they cause particles in the air to vibrate. These vibrations transmit what form of energy?
What is sound energy
300
state of matter that releases electrons
Plasma
400
Name the difference between mass and weight:
Mass is measured by the amount of matter where as weight is measured by the gravitational force.
Mass does not change and weight changes
400
Flammability and Reactivity are examples of
What is chemical properties
400
When one or more substances are changed into a new substance which has new and different properties, it is called what?
What is a chemical change
400
Thermal energy and sound energy can be considered forms of ___________________.
What is kinetic energy
400
the principle that states the buoyant force is equal to the weight of the fluid displaced (pushing down)
Archimedes Principle
500
What is the fourth state of matter?
What is plasma
500
Thermal conductivity, State, Density, Solubility, Ductility, and Malleability are all examples of
What is physical properties
500
Color change, temperature change (heat), gas forming, and sound or light being given off are signs of
What is a chemical change
500
Give an example that illustrates the shift from potential energy to kinetic energy:
Answers may vary!
Examples:
Catapults releasing a puff ball
Pendulums swinging back and forth
Something being held above the ground, then dropped
500
If I have 5.6 liters of gas in a piston at a pressure of 1.5atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?