Representations of Types of Matter
Draw a macroscopic, symbolic, and particulate representation of a cloud (knowing that clouds are made out of water in the gaseous phase). Classify this type of matter.
Macroscopic: a doodle of a cloud
Symbolic: H2O (g)
Particulate: water molecules moving at fast speeds (with lines behind them)
Type of Matter: compound
A rope is 5.5 yards long. How many inches long is the rope?
198 inches
Madison is 79.4 miles away from Milwaukee. Knowing that there are 5,280 feet in one mile, how many inches apart are Milwaukee and Madison?
5.03x106 inches
Convert 0.0829 km into mm.
8.29x104 mm
The Titanic weighed 5.31x107 kg. Calculate this mass in pounds, knowing that 453 g is equal to one pound.
1.17x108 pounds
Draw a macroscopic, symbolic, and particulate representation of liquid nitrogen. Classy liquid nitrogen by its type of matter.
Macroscopic: You can draw a metal tank or a container of liquid
Symbolic: N2(l)
Particulate: particles show that nitrogen is made of two atoms spread apart as a liquid
Type of Matter: element
The U.S. Bank building in Milwaukee is 7.212x103 inches tall. Calculate this height in miles knowing that there are 5820 feet in one mile.
0.1033 miles
On average, hair grows at a rate of 0.50 inches per month. Assuming one month is 30 days, and knowing there are 5820 ft in one mile, what is this speed in mph?
9.94x10-9 mph
Conver 382 nm to km
3.82x10-10 km
Milwaukee is approximately 134 kilometers away from Chicago. Knowing that there are 1609 meters in one mile, calculate this distance in feet.
4.40x105 feet
Draw a macroscopic, symbolic, and particulate representation of salt water. Classify this type of matter.
Macroscopic: your drawing should have some variation of a clear liquid
Symbolic: NaCl (aq)
Particulate: two particles should be shown (one to represent water and one to represent salt) and they should be evenly mixed
Type of Matter: homogeneous mixture
A race lasts 2 hours, 45 minutes, and 30 seconds. Convert this time into total seconds
9.93x103 s
Consider that Usain Bolt ran 100 m in 9.58 seconds (this is his real time, I'm not making that up. That's insane) Calculate his speed in miles per hour, knowing that there are 2.54 cm in one inch and that there are 5820 feet in a mile.
23.4 mph
Convert 0.700 Mg into pg.
7.00x108 pg
A driver in a car travels at 70 km/hr on the highway. This zone on the highway has a 75 mph speed limit and a 45 mph speed minimum. Decide if this driver should get a ticket, knowing that 1 mile is 1609 meters.
Yes, because they are traveling at 43 mph.
Draw a macroscopic, symbolic, and particulate representation of a mixture of iron filings and sulfur powder. Classify this type of matter.
Macroscopic: a powder (sulfur) with dark specks of iron
Symbolic: Fe(s) and S(s)
Particulate: Unevenly mixed particles (one to represent iron and one to represent sulfur)
Type of Matter: heterogeneous mixture
A recipe calls for 3/4 a cup of milk. Calculate this volume in gallons
4.7x10-2 gallons
A plant with a moderate growth rate grows approximately 15 inches per year. What is this speed in mm per day knowing that there are 2.54 cm in one inch?
1.04 mm/day
A cube has a volume of 2.00 L. Knowing that 1 cm3 is equal to 1 mL, calculate the side length of the cube in cm.
12.6 cm
A person typically burns 25 kJ/min of energy when jogging. Calculate this rate in kilocalories per hour knowing that 4.184 J is equal to 1 calorie.
359 kilocalories per hour
DAILY DOUBLE
Draw a macroscopic, symbolic, and particulate representation for the process of ice melting. Classify this type of matter and indicate whether this is a chemical change or a physical change.
Symbolic: H2O(s) --> H2O(l)
Particulate: Molecules of water in solid state are drawn together --> molecules of water in liquid state are drawn spread apart
Macroscopic: Ice cube --> puddle of water
Type of Matter: compound
Type of Change: Physical change
A box has a side length of 14 inches. Knowing that 1 in3 is equal to 0.0693 cups, calculate the volume of this box in gallons.
12 gallons
Geologically, land shifts at approximately 0.0787 inches per second. Knowing that there are 5820 feet in a mile and that one mile is 1609 meters, and assuming that one month is 30 days, calculate this speed in km per month.
4.70 km/month
A cube has a side length of 0.450 m. Knowing that 1 cm3 is equal to 1 mL, calculate the volume of this cube in kL.
0.0911 kL
When boiling water on the stove, the water typically heats up at a rate of 7 °C/min. Calculate this rate in °F/s.
°F = 9/5(°C + 32)
°C = (°F - 32)5/9
0.21 °F/s