1. What is the the difference between reactants and products of a chemical equation.

2. What does the law of conservation of mass state?

John stretched while his muscles were cold. Which negative effect could occur?

In order for an airplane to bank, does it need to accelerate

What hits the atmosphere faster than 90,000 miles per hour a.) comets b.) meteors c.) meteoroids

2. Explain what happened to the electrons in an ion with a charge of + 1.

When a substance changes from one type of matter to another it has had a?

Both artists and scientists contribute to our understanding of the world around us. Identify the ways that art and science are similar. Check all that apply.

An automobile accelerates from rest at 1 + 3 * sqrt (t) mph/sec for 9 seconds. how far does it travel in those 9 sec?

A glass lens, n glass = 1.52, has a 131 nm thick antireflective film coating one side, n film = 1.25. White light, moving through the air, is perpendicularly incident on the coated side of the lens.

An automobile steering wheel is shown. The ideal mechanical advantage of this wheel and axle is. If a driver must exert a force of 2 N to overcome an axle resistance of 16 N, the AMA of the steering wheel is and its efficiency is__ %.?

How does the law of conservation of energy apply to machines? -Machines create energy from scratch. -Machines consume energy until no energy remains. -Energy transferred to a machine equals energy transferred from it.