A. Explain the progression of ideas from a variety of scientists that led to the current understanding of
atomic theory. (2 points)

b. Choose one example from the historical development of the atomic theory, and use it to illustrate how models are used in the process of forming conclusions from scientific experiments. (3 points)

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

Aplane's average speed between two cities is 600 km/h. if the trip takes 2.5 hours, how far does the plane fly?