Nature of science
What is the IV for the following question: How does the number of fluorescent lights in a classroom impact classroom behavior?
What is the number of fluorescent bulbs?
Matter is anything that has mass and takes up space. T/F
What is true?
___ & ___ is found outside the nucleus; ___ & ___ is found inside the nucleus.
What is electron & electron cloud; protons & neutrons?
The bond between metals (- charge) and non-metals (+ charge).
What is Ionic bonding?
A change in which one or more substance combines to break apart to form a new substance:
What is a chemical change?
What is the control group in this situation: How does the number of skittles impact the outcome of a quiz score?
What is the group that receives no skittles before the quiz?
A physical property can be measured without changing the identity of the substance. T/F
What is True
What part of an atom contains the most mass?
What is the nucleus?
Chemical bond forms solids, liquids, or gases. (sharing electrons)(nonmetals)
What is covalent bonding?
Dissolving sugar in water; tearing paper: examples of what
What is a physical change?
.5 km = ___ m
What is 500?
An element is a substance that is made up of one type of atom. T/F
What is true?
What do you call an atom with a different # of neutrons then it should?
What is an Isotope?
NaF. What bonding has occurred?
If heat must be added to a chemical reaction for the reaction to take place, the reaction is _____.
What is endothermic?
SI unit used to measure temperature and mass.
What is Celsius and grams?
A salt is a covalent compound that forms when a metal atom replaces the hydrogen of an acid. T/F
What is false?
The combination of protons and neutrons is called what?
What is quarks?
The electrons are responsible for bonding where?
What is the outer most energy level?
Each substance on the left side of the arrow in a chemical equation is a ____.
What is reactant?
Explains how something occurs in nature and seems to always be correct, no matter when or where it is tested.
What is law?
Braelyn ate a tablet to neutralize too much acid in his stomach. What was the tablet?
What is a base?
Carbons atomic mass is 12 and the atomic number is 6; therefore what is the number of electrons?
What is 6?
Name all the components of this compound. 3H2O.
3- coefficient; H- hydrogen; 2- subscript; O- oxygen
Identify the products in the following equation: CH4+2O2 --> CO2+2H2O.
What is carbon dioxide and water?