18
What is a physical change?
Change for a change of state
Element H
Hydrogen
What are the three types of matter
Solid, Liquid, Gas
What is the difference between an independent variable and dependent variable?
Independent variables are the variables that change, dependent are the ones that stay the same.
Positive particle
what is a chemical change
something that results in a new product being formed
13 Protons
Aluminum
Which state of matter has the most energy
gas
What is the difference between a theory and a law?
Theories are the ones that explain why something happens and they can change, and laws are something that explains what and does not change.
What is a neutron?
Particle that has no charge; neutral
I burned my rice and it looks dark and nasty. what change is this
chemical
17 Electrons
Chlorine
What is the phase change from liquid to gas called
evaporation
Educated guess.
Where is a period? Horizontal or Vertical
Horizontal
I melted ice. what change is this
physical
How many neutrons does Neon have: Element 10, mass, 20.18
10
what is the phase change from solid to gas called
sublimation
What is a field study? Give an example/.
Observing something in its natural habitat. Watching a bird in a forest to see what it eats.
Group/Period: Which one gives you the valence electrons.
Group
What is the name of the new substance that is made when a chemical change occurs?
Precipitate
Draw an element with 3 protons, 3 neutrons, and 3 electrons
I willm look at your picture.
Draw me a sketch of the phase change graph, label it.
Does science care what you feel? Why?
No. I want the facts not your feelings.