modeling our orderly world
matter
the atom
the periodic table
work and machines
100
God's command that directs us to exercise wise and good dominion over His creation to the glory of God and for the benefit of fellow humans.
What is the Creation Mandate?
100
A material made of only one kind of element or compound.
What is a pure substance?
100
A subatomic particle found in the nucleus of an atom and having a positive charge and a mass slightly less than half of a neutron.
what is a proton?
100
A table of the chemical elements arranged to display their periodic properties in relation to their atomic numbers.
What is the periodic table?
100
The energy transferred to a system by an external force when it acts on the system to move it.
What is work?
200
A workable explanation or description of a phenomenon.
what is a model?
200
🥳DAILY DOUBLE🥳
The law⚖️that states that the masses of chemical substances combine in definite, characteristic integer ratios when forming compounds.
What is the law of definite proportions?
200
A subatomic particle found in the nucleus of most atoms that has no electrical charge and a mass slightly greater than a proton.
What is a neutron?
200
The distance from the center of an atom's nucleus to its outermost energy level.
what is an atomic radius?
200
The rate of doing work.
What is power?
300
A model that explains a related set of phenomenon; can be used to predict unobserved aspects of the phenomenon.
what is a theory?
300
A model that states that all matter exists in the form of particles.
What is the particle model of matter?
300
The smallest of the main subatomic particles, located outside the nucleus, have a negative charge and a mass that is 1/1836th that of a proton.
What is an electron?
300
A measure of an element's ability to attract and hold electrons when bonded to atoms.
What is electronegativity?
300
W=f×d
what is the formula for work?
400
An initial, testable explanation of a phenomenon that stimulates and guides scientific investigation.
what is a hypothesis?
400
A mixture that does not have a uniform appearance since the combined substances are evenly distributed.
What is a heterogeneous mixture?
400
🥳DAILY DOUBLE🥳
The atomic model developed by Niels Bohr in which electrons travel in distinct spherical regions called energy levels at fixed distances from the nucleus.
What is the Bohr model?
400
The law that states the properties of the elements vary with their atomic numbers in a regular, repeated pattern.
What is the periodic law?
400
P= w÷t
What is the formula for power?
500
An ongoing, orderly, cyclical approach used to investigate the world.
what is scientific inquiry?
500
A mixture that has a uniform appearance throughout; also known as a solution, especially of a solid dissolved in a liquid.
What is a homogeneous mixture?
500
The law⚖️that states that opposite electrical charges attract each other, while like charges repel each other.
What is the law of electrostatic charges?
500
A representation of an atom consisting of its chemical symbol with surrounding dots representing its valence electrons.
What is electron dot notation?
500
The measure of mechanical advantage for an ideal machine (💯 efficient with no friction).
What is the ideal mechanical advantage?