Trimester 1 Flashcards
List the 6 steps of the scientific method in order
- State the problem
- Observations
- Hypothesis
- Experiment
- Data analysis
- Draw Conclusion
On a graph, the independent variable on the __1__ axis and the dependent variable goes on the __2__ axis.
- x-axis
2. y-axis
What are the three states of matter?
Solid, Liquid, and Gas
____1____ is the property of a substance that allows it to easily transfer heat and electrical charges.
Conduction
In a __1__ particles are closely packed together.
Solid
__1__ is the state of matter that has the highest density.
Solid
__1__ is the state of matter that has the lowest conductivity.
Gas
Heterogeneous Mixture-
a mixture in which molecules are not evenly distributed.
Homogeneous Mixture-
a mixture in which molecules are evenly distributed.
Physical Change-
a change in the state of phase of matter that does not affect the chemical properties of matter
Pure Substance-
a substance that can not be separated by physical means.
Group 1-12 :
Group 17:
Group 18:
Metal
Halogens
Noble Gases
Proton-
the particle inside of the nucleus with a charge of 1+
Electron-
the particle with a charge of 1-, located surrounding the nucleus.
Neutron-
The electricity neutral particle, located in the nucleus.
Atom-
This is the smallest particle of an element that still has the properties of the element.
Electron Cloud-
Where electrons are most likely found, located outside the nucleus.
Nucleus-
Small, positively charged center charged center of atom, contains protons + neutrons.
Compound-
an entity consisting of two or more different atoms.
What does the Atomic Number represent?
How many protons and electrons are in the atom.
