How to do gizmos for science

What kind of wrench should be used to tighten engine components such as manifolds and cylinder heads?

When white light shines on a film and violet light is transmitted through the film, the film added violet light to the white light absorbed all the colors except violet from the white light added ultraviolet light to the white light absorbed

A 68 kg skydiver with a parachute falls at constant velocity for 100 m how much work does the earth do on the skydiver

A boy can accelerate at 1.00 m/s 2 over a short distance. If the were to take an energy pill and suddenly have the ability to accelerate at 5.

Prove that, 1+sin t/cos t = cos t/1-sin t

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Explain the difference between balanced forces and action and reaction forces.

Describe and apply Newton's Three Laws

If you do 1000j of work on a system and remove 500j of heat from it, what is the change in its internal energy

Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.5 m long, its mass is 0.42 kg, and the force exerted on it by the children is 71 N.