Metrics and Measurements
What letters do we put on the conversion ladder?
KHDUDCM
Does an exothermic graph release or absorb energy?
Release energy
What element was found in the city of Flint's tap water, AND what element does your body mistake lead for?
Lead, and Calcium
Name the 3 subatomic structures and their charges
- Proton (+)
- Electron (-)
- Neutron (0)
A Bohr model of Sodium (Na) would show how many electrons?
11 electrons
0.435 kilograms = __________ decigrams
4350 decigrams
What does the Law of Conservation of Energy state?
Energy is neither created nor destroyed
If you use an ice pack on an injury what type of chemical reaction is taking place?
endothermic reaction
Will Magnesium (Mg) most likely gain electrons or lose electrons? Be ready to explain your answer.
Magnesium will most likely lose 2 electrons (provide explanation)
Which graph is used to show change over time?
A scatter plot graph
A snake is 0.962 hectometers long. How long is the snake in centimeters?
9620 centimeters
If the temperature of the surroundings started at 13 C and ended at -14 C what type of reaction occurred?
Endothermic Reaction
This is an excerpt from the wildfire article:
"More than 8,000 firefighters in all battled three large wildfires burning across nearly 400 square miles in North and Southern California"
Would this most likely be a Claim, Evidence, or Reasoning?
Evidence (data)
What is the difference between a cation and an anion?
a cation is a positively charged ion, whereas an anion is a negatively charged ion
Describe the trend of Atomic Radius in the Periodic Table
Atoms get bigger as you move down, and to the left of the Periodic Table.
A vase holds 400 milliliters of liquid. The vase is filled with 2.43 decimeters of water. How much empty space is left in the vase (record your answer in milliliters)?
157 milliliters
Is photosynthesis and endo or exothermic process? Be ready to justify your answer.
endothermic (provide explanation)
1. You're baking a cake. Is this a physical change, or a chemical change?
2. Is baking a cake an endo or exothermic process?
1. Chemical change
2. Endothermic
What type of bond is formed in a molecule of NO2?
non-polar covalent
1. A heat curve shows which two types of energy?
2. What is the definition of these two types of energy?
1. Potential energy and kinetic energy
2. Potential energy is stored energy, and kinetic energy is the energy of movement