The ability of a material to transfer heat or electric current is called

A. porosity.

B. convection.

C. conductivity.

D. insulation.

The Great Outdoors 1. What outdoor activities do you prefer? Why? 2. What outdoor activities are you interested in, but have never tried?

You can make the current in a circuit smaller by?

The heat pump is designed to move heat. This is only possible if certain relationships between the heats and temperatures at the hot and cold sides hold true. Indicate the statement that must apply for the heat pump to work. A.

An apple drops from the tree and falls freely. The apple is originally at rest a height H0 above the ground. The ground is covered with a thick lawn, which is made of blades of grass of height h.

Laptop sits on a desk the desk applied an upward force of the laptop and keeps it from falling to the floor this force is a push what is the direction of this force?

What is the median of 5 12 7 15 3 6 1

If you double the velocity of an object, you increase its kinetic energy by a factor of what?

2. Modern aircraft carriers use a steam powered catapult system to launch jets from a very short range. These catapults can provide a constant acceleration to bring jets up to speed in only two seconds.

Which of these best describes a situation where science is used? A. choosing a career after graduation B. brushing teeth after having dinner C. ordering food in a restaurant by looking at a menu card D.

A receiver is in a jet flying alongside another jet that is emitting 2.0 x 106 Hz radio waves. If the jets fly at 268 m/s, what is the change in frequency detected at the receiver?