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 altered its composition, the change is
What is a physical change
100
__________________ is defined as the energy that an object has because of the position, or condition of the object.
What is potential energy
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 two out of the four ways energy can manifest itself:
What is...
- Mechanical
- Heat
- Sound
- Light
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
400
Name one out of the two differences between mass and weight:
1. Mass is measured using a balance where as weight is measured using a scale.
OR
2. Mass is measured by the amount of matter where as weight is measured by the gravitational force.
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
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