How do I count atoms in science

What does uranium 235 decay into? A. Lead 206 B. Lead 235 C. Hydrogen 235 D. Nitrogen 235 E. None of the above

An object is moving at a velocity of 23 m/s. It accelerates to a velocity of 85 m/s over a time of 8.3 s. What acceleration did it experience?

How does a battery work? explain

What is the work done on a 34-N weight if it is lifted up 1 km? A. 17 J B. 34 J C. 0.034 J D. 34,000 J

How much work is done when a book weighing 2.0 newtons is carried at constant velocity from one classroom to another classroom 26 meters away?

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.