Mixtures + Pure Substances
A mixture in which you can see the different parts
What is heterogenous mixture?
84025
What is 5 significant figures?
2.4 x 104
What is 21000?
Convert 100 cm --> m
anything that has mass and takes up space
What is matter?
A mixture in which you cannot see the different parts
What is homogenous mixture?
900075
What is 6 significant figures?
What is 0.07985?
Convert 17 cm to inches. 1 in = 2.54 cm
the pull of gravity on an object’s mass
What is weight?
the two types of pure substances
What are elements and compounds?
0.002
What is 1 significant figure?
8.0 x 107
Convert 15 yards to inches. (1 yd = 3 ft, 12 in = 1 ft)
What is 540 inches?
chemical combination of 2 or more elements in a fixed proportion
What is a compound?
Give an example of both types of mixtures.
Answers may vary.
90000
What is 1 significant figure?
9.0245 x 10-5
0.000090245
How many cm are in 3 miles? (1 mi = 5280 ft, 1 ft = 12 in, 1 in = 2.54 cm)
What is 482803 cm?
properties that can be measured or observed without changing the identity or composition of a substance
Answers may vary.
0.00254
What is 3 significant figures?
1 x 10-1
What is 0.1?
How many km/hr is 7 m/s?
What is 25.2 km/hr?
descriptive measurements that don't involve calculations
What are qualitative measurements?