FRQ Practice
Peter loves music. He believes that he does his homework better and faster when he listens to music. His parents say that music is distracting when studying.
Identify the scientific question for the investigation.
Does listening to music help make doing homework better and faster?
1 kg =______g
1,000 grams
50 mph to feet per second.
Hint: 1 mile= 5,280 feet (memorize this for exam)
73.33 feet per second
The average American student is in class 330 minutes/day. How many hours/day is this?
5.5 hours
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder weighs 306.0 g. From this information, calculate the density of mercury.
13.6 g/mL
In 2021, 31.2 million beef cattle were raised in the United States. The average cow releases 150 Liters of methane per day. Calculate the amount of methane that was released by all beef cattle raised in the US in 2021. Show your work.
150x31,200,000x365
1.7 x 1012L OR 1,708,200,000,000 L
6544 cm= ______ km
.06544 km
1200 cm per hour= ?km per week
2.016 km/wk
Pepsi puts 355ml of soda in a can. How many drops is this in scientific notation?
(20 drops = 1ml)
7.10x103
Find the mass of 250.0 mL of benzene. The density of benzene is 0.8786 g/mL.
219.65 g
Point out/provide information about a specific topic WITHOUT explaining. Can usually be accomplished with incomplete sentences, or short phrases.
-Identify
13 million
1.3 x 107
What is 45% of 900?
405
Chicago uses 1.2x109 gallons of water/day. How many gallons per second must be pumped from the lake every second to supply the city? Use scientific notation.
1.4 x 104 gal/sec
I threw a plastic ball in the pool for my dog to fetch. The mass of the ball was 125 grams. What must the volume be to have a density of 0.500 g/mL. ( I want it to float of course!)
250 mL
Make an assertion based on evidence or knowledge.
Make a Claim
70 trillion
7 x 1013
Home prices have increased 15% in the past three years. An average home in North Carolina three years ago was $130,000. What is the average home price now?
$149,500
Santa Maria has an elevation of 6.30 x 105 mm. How many km is this elevation?
.63 km
A block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm. The block weighs 1591 g. From this information, calculate the density of lead.
11.3 g/cm3
Identify the Independent, Dependent, and Control Variables in the following hypothesis:
If renewable energy sources are used more extensively, then dependency on fossil fuels will decrease.
Indep: Renewable Energy Sources
Dependent: Dependency on FF
Control: Same amount of energy usage
.000000000000000674
6.74 x 10-16
A 340 million square meter of forest is how many hectacres?
1 hectacre is 10,000 square meters
34,000 hectacres
340,000,000 divided by 10,000 square meters
A quart of a liquid has a mass of 2.7 kilograms. How many quarts will it take to weigh 100 pounds? 1kg=2.2 pounds
16.34 qts
The SI unit for density is kg/m3. Convert the density of ethanol (789 kg/m3) to the more commonly-used unit of g/cm3
.789 g/cm3
789x1000/1,000,000 (cm CUBED)= 789,000/1,000,000=.789