An insulator is a material that resists the flow of thermal energy and electricity.

a) True

b) False

If critical mass is reached, it can cause: A: electrons to split B: a chain reaction C: a fusion of uranium nuclei D: krypton atoms to split into strontium and xenon

Where does fusion regularly occur and what kind of energy is produced

If the kinetic and potential energy is a system are equal, then the potential energy increases. What happens as a result? A) Total energy increases. B) Stored energy decreases. C) Energy of motion decreases. D) Total energy decreases.

Waves requiring a medium are called?

Why are electrons in different places and not together?

Which of the following describes a scientific law? A. based of scientific evidence B. explains how and why nature does what it does C. not based of scientific evidence

Before leaving her home, Myesha makes sure that every electrical appliance is unplugged and checks that every window and door is securely locked. She checks everything seventeen times according to a strict ritual that she has worked out.

a minibus drives 238 miles with a constant speed of 84 mph and another 80 miles with a constant speed of 60 mph. how much time in total does it take to travel these distance?

If the volume of a container increases, then the pressure will: A. first increase and then decrease. B. increase. C. stay the same. D. decrease.

How does the theory of natural selection explain the diversity of life?