Experimental Design
Define a constant.
What are thing that stay the same throughout the whole experiment?
What two types of Matter are grouped under pure substances.
What are elements and compounds?
Name the family calcium belongs to.
What is an Alkaline Earth Metals?
What kind of bond is H2O?
What is a covalent bond?
What is the energy of motion?
What is kinetic energy?
Define a Newton.
What is the unit of weight and force?
What are the 4 types of Matter?
What is an element, compound, homogenous mixture, and heterogenous mixture?
How many protons does the element Argon have.
18
What kind of bond is NaCl2
What is an ionic bond?
Name the unit which energy is measured in.
What is a joule?
What is the word that best fits: An explanation or conclusion based on previous experiences or experimental results.
What is an inference?
What describes a substance's ability to change into a new substance?
What is a chemical property?
What is a row on the periodic table called?
What is a period?
Determine the number of atoms in:
2KO2Cr
8
What is the name of a combination of kinetic and potential energy in a moving system. Additionally give an real life example of the previous answer.
What is mechanical energy and what is a roller coaster?
What is the IV, DV, and constant in this example.
In an experiment, Vedh gave several of the same plant species different amounts of water and measured how much each grew.
IV: The amount of water
DV: The plant heights
Constant: The plant species
In an experiment, substance "X" has undergone a physical change and dissolved into a solvent. Vedh concluded that substance "X" is _______.
What is soluble.
If substance "X" is a poor conductor, not malleable, not ductile, and dull, what kind of element is it?
(Metal, Nonmetal, or metalloid.)
What is a nonmetal?
Balance the following equation.
_Cl2 + _PO3 --> _Cl4(PO3)3
2,3,1
Give 5 examples of renewable resources.
Hydro, Tidal, Wind, Solar, Biomass, Geothermal, Wave, Hydrogen.
Explain what CER stands for and give a basic explanation of what each letter means.
Claim, your thought, Evidence, your data, Reasoning, your connection.
A metal cube has a mass of 630 grams and a volume of 90 cm3. What is the density of the metal cube?
7 g/cm3
Vedh is in a laboratory and was given a substance to test. He found that each atom of the substance had 47 protons and 61 neutrons. What element does he have?
What is silver?
List the number of protons, neutrons, and electrons while also providing the Ionic charge of the following symbol.
Na3-
11 Protons, 12 Neutrons, 14 Electrons, Anion.
Over time a liquid at 30 degrees becomes a solid at -40 degrees. What happened to the thermal energy.
The liquid lost thermal energy and froze.