21. Which object would most likely be made of a material that is a thermal conductor?

A. an oven mitt

B. a winter coat

C. a cooking pan

Which one is it?

What are some of the challenges that you might face if you wanted to observe and study stars from Earth?

Which best describes a difference between electric current and static electricity? More electric charge would flow in the circuit. Less electric charge would flow in the circuit. The rate at which the current flows would decrease.

This experiment, you compare several unknown powders to known powders. What is the name given to all of the known materials used for comparison in this experiment? A. quantities B. controls C. constants D. variables

Sound and light are both forms of energy travel in what

Which is the weakest of the four fundamental forces? strong nuclear weak nuclear electromagnetic gravitational

Charlotte, a 60.0-kg skin diver, shoots a 2.0-kg spear with a speed of 15 m/s at a fish who darts quickly away without getting hit.

All objects are attracted to each other by the force of a. weight. b. mass. c. inertia. d. gravity.

landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less

3. How is electric potential different than electric potential energy?

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor