WorksheetsMatter, Energy, and Electricity
Total questions: 25
Worksheet time: 13mins
Matter can be found in which of the following forms?
Solid
Liquid
Gaseous
Each of the above
A substance that CANNOT be reduced to a simpler substance by chemical means is called a/an
element
mixture
compound
solution
A molecule is the smallest possible particle that retains the characteristic of which of the following substances?
An element
A mixture
A compound
A solution
An atom is the smallest possible particle that retains the characteristic of which of the following substances?
An element
A mixture
A compound
A solution
What subatomic particle has a negative charge and a small mass?
Proton
Electron
Positron
Neutron
What subatomic particle has a positive charge and a large mass?
Proton
Electron
Positron
Neutron
What subatomic particle has no charge?
Proton
Electron
Positron
Neutron
When light is represented as a tiny packet of energy, what are these packets of energy called?
Angstroms
Photons
Wavelengths
Frequencies
If light energy collides with an orbiting electron, what happens to the electron?
The electron will move around the same orbit faster
The electron will jump to an orbit further from the nucleus
The electron will jump to an orbit closer to the nucleus
The electron will merge with the nucleus
After light energy collides with an orbiting electron occurs, the electron will return to the condition it had before being acted upon by the light. When the electron returns to this condition, which of the following actions occurs?
The nucleus becomes lighter
The atom becomes an ion
Light energy is emitted
The valence of the atom changes
The number of electrons in the outermost shell of an atom determines which of the following characteristics of the atom?
Valence
Atomic weight
Atomic number
Number of shells
When an atom gains or loses an electron, which of the following terms applies?
Unbalanced
Lightened
Neutral
Ionized
What is the main difference between conductors, semiconductors, and insulators?
The temperature differences
The physical state of their mass
The number of free electrons
The designations of the outer shells
A substance with an excess of electrons is considered to be in what electrical state?
Neutral
Positive
Negative
Discharged
Which of following actions describes the easiest way to accumulate a static electric charge?
Friction between two conductors
Friction between two insulators
Pressure between two conductors
Pressure between two insulators
An atom that contains 6 protons and 5 electrons has what electrical charge?
Positive
Negative
Neutral
Intermediate
How do “like” and “unlike” charges react to one another?
Unlike charges repel each other, like charges repel each other
Unlike charges attract each other, like charges attract each other
Unlike charges repel each other, like charges attract each other
Unlike charges attract each other, like charges repel each other
What is/are the term(s) applied to the space between and around charged bodies in which their influence is felt?
Electric field of force
Electrostatic field
Dielectric field
Each of the above
Electrostatic lines of force are drawn in which of the following manners?
Entering negative charge, entering positive charge
Entering negative charge, leaving positive charge
Leaving negative charge, leaving positive charge
Leaving negative charge, entering positive charge
Which of the following is defined as one of the three states of matter which has definite volume and shape
Solid
Liquid
Gaseous
None of the above
Which of the following is defines as one of the three states of matter which has a definite volume but no definite form?
Solid
Liquid
Gaseous
None of the above
Which of the following is the best conductor?
Silver
Copper
Gold
Aluminum
A semiconductor has how many electrons in its valence shell?
1
2
3
4
A proton is how much bigger that an electron?
17 times bigger
1517 times bigger
1837 times bigger
2110 times bigger
Who is credited for coining the terms POSITIVE, NEGATIVE, and NEUTRAL when talking about electrical charges?
Charles Dufay
William Gilbert
Charles A. Coulomb
Benjamin Franklin
