Predict: if you look closely at some stars in the night sky, you can see slight differences in their color. Some stars look reddish. Others appear orange, white, or blue.

A spaceship far from all other objects uses its impulse power system to attain a speed of 104 m/s. The crew then shuts off the power.

A student pulls a lever down 4 m. The lever lifts a box that weighs 20 N up a distance of 2 m. How much work was done on the box?

Imagine that you have a 6.50 l gas tank and a 4.50 l gas tank. you need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.

The body's defense against germs and diseases is called

Current flowing in a circuit depends on two variables. Identify these variables and their relationship to current. A) Current is proportionate to the conductance of the circuit and precisely proportional to the voltage applied across the circuit.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.