What makes matter? List the different types of movement in nature?
List the bodies that are made up of:
a) one substance
b) more substances
What are the common features:
a) ice, water and water vapor
b) water, gasoline, mercury
c) a piece of chalk, sugar, cheese

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?

Which best term to describe a chemical reaction that absorbs energy from its surroundings? a. thermal conductor b. thermal insulator c. endothermic d. exothermic

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages