Complete the sentence:

thermal energy is transferred between objects until themal ... is reached

Explain how temperature can affect the speed of reaction. Give an example.

Hot glass and cold glass look different when you look at them, so you should handle them differently. True or False

A scientist measures the mass of two liquids before and after combining them. The mass after combining the liquids is less then the sum of the masses before. where is the missing mass? what type of change occured.

Why does a maglev train float above the rails

A scientific law is 1. A university accepted conclusion based on testing 2. Always changing a new evidence is presented 3. Based on new evolving theories 4. Often debated in the scientific community 5. One step toward forming a theory

Which halogen is most likely to react? a. Br (bromine) b. F (fluorine) c. I (iodine) d. Cl (chlorine)

In the formula for water (H2O) what does the subscript 2 indicate?

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers. The superscript of nickel is . The subscript of copper is .

What is the velocity of a BB pellet that is 0.02kg and has 36 J of KE

What is the pH of a 1.0 X 10 - M solution of nitric acid?