Unit 0: Intro to Chem
Unit 1: States of Matter
Unit 2: Heat as Energy
Unit 3: Energy in the Earth
RANDOM
Math
100
Graph area where you can find the dependent variable.
What is y-axis?
100
Phase of matter where particles have the highest energy, are spaced out, and move at fast speeds.
What is a gas?
100
Exothermic or endothermic: Ice melting in the hand.
What is endothermic?
100
" __________ ____________ from where it's hot to where its not" (must be exact words)
What is "heat flows"?
100
How long you have to wash your eyes out in the eyewash station if you get chemicals in them.
What is 15 mins?
100
Convert 89.7 Celsius to Kelvin
What is 362.85 K?
200
Quantitative or qualitative: 20% of survey respondents bought ice cream today.
What is quantitative?
200
Order the following states of matter from highest to lowest KE: solids, liquids, gases, plasmas.
What is plasmas > gases > liquids > solids?
200
Find the change in temperature. Water has an initial temperature of 20C and a final temperature of 80C.
What is 60C?
200
Heat transfer on how the plates move in the earth.
What is convection currents?
200
Heat transferred via physical touch.
What is conduction?
200
The mass of an object is 7.3 grams, and it has a volume of 7.6 mL. Calculate the density of the object in g/mL.Write 2 decimal places.
What is 0.96 g/mL?
300
Accurate and/or precise: Five darts all strike near the center of the target, close to each other. Whoever threw the darts is...
What is both accurate and precise?
300
Letter(s) where you can find the three states of matter.
What are A, C, and E?
300
Give both the variable and units of the following:
- mass
- specific heat
- change in temperature
- heat
What are:
- mass = m (g)
- specific heat = c (J/gC)
- heat = Q (J)
- change in temperature =
DeltaT (C)
300
Best represents heat transfer by radiation.
- heat from a lamp
- ice melting in hand
- ocean currents cirulating
What is heat from a lamp?
300
Spreading of the ocean's floor due to convection currents under the surface.
What is seafloor spreading?
300
The specific heat of a 38.7 g sample of a substance that requires 259.9 J of energy in order to raise the temperature from 13.2C to 48.8C. Need 2 decimal places.
What is 0.19 J/gC?
400
The variable a scientist doesn't have control of during an experiment.
What is a dependent variable?
400
Float or sink: An object has a density of 1.8 g/mL and is in water, which has a density of 1 g/mL.
What is sink?
400
Letter where you can find ONLY liquid.
What is C?
400
Where the Earth get's its heat from to produce convection currents in the mantle.
What is the core?
400
True or false: The inner core is hotter than the outer core of the Earth.
What is true?
400
The variable that represents 23 degrees celsius based off the following question "A sample of water heats up from 0 degrees celsius to 23 degrees celsius"
What is...
delta T?
500
Solubility of Potassium Chloride (KCl) at 90C
What is ~55 grams of solute?
500
Letters that have a greater IMF than KE.
What are B, C, E, H?
500
Energy required to raise the temperature of 6.7 g of mercury metal from 5.9C to 71.0C. Specific heat of mercury is 0.138 J/gC. Need 2 decimal places.
What is 60.19 J?
500
A plate boundary thats movement consists of spreading plates apart from one another.
What is a divergent plate boundary?
500
The type of heat transfer that helps a hot air balloon rise.
What is convection?
500
If 40 degrees celsius is 104 degrees fahrenheit, would the temperature of 276.15 degrees kelvin be considered "hot"?
What is...
no?