Which best describes why a liquid needs container when a solid does not

What is true if mass is conserved in a reaction

What is the rate of change in a objects position?

Which of the following involve an increase in the entropy of the system under consideration? a. melting of a solid b. evaporation of a liquid c. sublimation d. freezing e. mixing f. separation g. diffusion

Which of the following elements is not an insulator? Silicon Calcium Boron Iodine

A moose wonders through the forest searching for food. He travels 275 m East and then turns North and walks another 142 m. What is the distance the moose goes? a. 236 m b. 417 m c. 309 m d. 133 m

Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.

As energy moves in waves through the water, the water moves a. in waves toward shore. c. in the direction of the waves. b. in a small circular movement. d. against the current.

Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 5 / 4 D. 1 / 2

Which statement best describes the effect of scientific advances on society? A. They always have a positive impact on society. B. They are inspired by the needs of society. C. they do not affect society beyond the community level. D.

Which way does wind blow, A. horizontally, B. Only from east to west, C. Only from West to east, D. vertically