Question: Q: What force occurs whenever two surfaces come into contact? Read this paragraph and choose the correct option from the provided answers: Even if Laura didn't try to stop the skateboard, it would stop sooner or later. That's because there's also friction between the wheels and the pavement. Friction is a force that counters all kinds of motion. It occurs whenever two surfaces come into contact. Choices: - tension - vibration - gravity - friction A:
Answer: friction

Question: Q: What is the term for the energy of motion, which is exhibited by the speed of an object? Read this paragraph and choose the correct option from the provided answers: The energy of motion is kinetic energy, KE. Whenever an object is in motion it has kinetic energy. The faster it is going, the more energy it has. Choices: - inertia - mechanical energy - residual energy - kinetic energy A:
Answer: kinetic energy

Question: Q: When changes in the genes of a species result in a new species, the process is called what? Read this paragraph and choose the correct option from the provided answers: Changes in the genes of a species may result in a new species. This is biological evolution. Choices: - Classic Evolution - simple evolution - similar evolution - biological evolution A:
Answer:
biological evolution