What must happen to the temperature of a material for thermal expansion to occur.

The only force that can act on an object in free fall is.

With a bar magnet where are the lines of force closest together

The ball of dough hits the floor and does not rebound. Describe the energy transfers taking place from when the dough is dropped to after it has hit the floor.

The smallest level of organization in living things is the atom the cell the small tissue the nervous system

When an object is lifted 6 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 12 meters off the ground, its potential energy is

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 is the best example of reusing? repairing a stove instead of buying a new one wearing a pair of pants made from cotton buying a toy packaged in paper instead of plastic placing a glass bottle in the recycling bin

The sunlight hits the surface of a lake this will like caused a. condensation b. transpiration c. evaporation d. sublimation

The development of the cell theory was mostly directly related to the

Choose the term that best completes the sentence. A way of grouping organisms based on the characteristics they share is The science of naming and classifying organisms is called A two-word system for naming organisms in which the first part is the