How does sound travel through

different mediums?

Ions that carry a positive charge are called a. anions b. cations c. mineralytes d. valence ions

Which statement best describes what energy transfer diagrams show? Energy can change form, but the total amount of energy stays the same. Every energy transformation results in a reduction of energy.

What causes a magnetic field to form around certain metals, such as iron? a. The majority of the domains are aligned. b. The majority of the protons are aligned. c. The majority of non-metal atoms are aligned. d.

Two objects attract each other with a gravitational force of magnitude 9.20*10^-9 N when separated by 19.2 cm. If the total mass of the objects is 5.01 kg, what is the mass of each?

The apparent reversal of motion of planets against the backdrop of fixed stars is called

A vitamin called folic acid is very important for neural tube development, which is the development of the baby's

Which vocabulary term is survival of the fittest

An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s2?

At what stage of a reaction do atoms have the highest energy? a. reactant stage b. product stage c. transition state stage d. The stage of highest energy depends on the atom.

A moon with a mass of 6.0 x 10 kg orbits about a planet with a mass of 5.0x 10^24 kg. They are 4.0 x 10^8 meters apart What is the gravitational force between them? The answer is 1.