Why can making observations be a very good way to come up with a scientific question?

When an atom that has no charge loses two electrons, it becomes a positive ion. negative ion. positive isotope. negative isotope.

An electron in the highest occupied energy level of an atom is called

Express the speed of light in the following ways: a) with three significant figures b) with five significant figures c) with seven significant figures

In a stadium, fans stand up and sit down to produce a wave across the stadium. This type of wave where the material travels perpendicular to the direction of travel of the the wave. Which type of wave does this describe?

A small gray kitten showed up at Lynn's house. Her mother told her she could keep it, so she checked the cabinets and refrigerator for food. She found some tuna and fed the kitten.

Why does Mars have moons even when its mass is small?

During the forging process for a steel sword, the blacksmith places a hot iron blank into a cold bucket of water. Which of the following happens? A. The water molecules move faster. B. The steel molecules move faster. C.

If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the right be placed at a greater distance or lower distance to balance it? Why?

What are copper atoms held together by

Which of the following are the top two job expectations of people who career plan? Select all that apply. A. Hours B. benefits C. type of work D. coworkers E. security