Systems of Measurements
Which metric unit is commonly used to measure the mass of a small object: grams, liters, or meters?
What are grams?
Convert 5 m to cm.
What is 500 cm?
A student runs 2.5 miles. If 1 mile = 1.61 km, how many kilometers did they run?
What is 4.025 km?
Convert 250 cm to feet. (1 in = 2.54 cm; 12 in = 1 ft)
What is 8.20 ft?
What is the first step for multi-step dimensional analysis?
To create a unit pathway
What are the three basic units used to measure length, mass, and volume in the metric system?
Grams: Mass
Length: Meter
Volume: Liters
Convert 3.5 kg to g.
What is 3500 g?
A bottle contains 750 mL of water. How many liters is this? (1000mL= 1 L)
What is 0.750 L?
Convert 45 inches into yds (12 in = 1 ft) (3 ft=1 yd)
What is 1.25 yds ?
What is the name of the variable that is changed by the experimenter?
What is the independent/manipulated variable?
What are the SI base units for temperature?
What are Celsius and Kelvin?
Convert 4,500 mg to kg.
What is 0.0045 kg?
A chemistry student needs 0.250 kg of a substance. How many grams is this? (1000 g = 1 kg)
What is 250 g?
A scientist needs 3.50 gallons of water. Convert to milliliters. (1 gal = 3.785 L) (1000 mL = 1 L)
What is 13,247.5 mL ?
If a scientific phenomenon can be witnessed in nature or in a consistent pattern, it is called
A scientific law
Which is larger: 1 kilometer or 1 meter? How many meters are in 1 kilometer?
What is 1 kilometer?
Convert 0.00075 km to mm.
What is 750 mm?
A package weighs 5.5 lb. If 1 lb = 453.6 g, what is its mass in grams?
What is 2,494.8 g?
A student drinks 2.0 L of water per day. How many mL does the student drink in one week?
What is 14,000 mL per week?
What type of statement is used to create a testable prediction about an observation?
What is a hypothesis?
Why is the metric system called SI units?
The metric system is used internationally as a system of measurement
Convert 40 dekaliters to milliliters
What is 400,000 mL?
A recipe calls for 400 mL of water. Convert this to cups. (1 cup = 236.6 mL)
What is 1.69 cups of water?
Maya ran 155,350 inches during the marathon. How many miles did she run? (12 in = 1ft) (1 yd = 3 ft) (1 mile = 1760 yds)
What is 2.45 miles?
You test a hypothesis 50 times. Does it automatically become a theory? Explain.
Answer: No. A hypothesis does not automatically become a theory; theories require extensive evidence and support from many studies by several scientists