The following is an example of a physical or a chemical change? Alex made a beautiful origami swan out of a blue sheet of paper which she colored red.

Which of these instruments is listed with the wrong type of lens that it uses? •telescope, convex •camera, convex •flashlight, concave •microscope, concave

A compressed spring has 16.2j of elastic potential energy when it is compressed 0.30m what is the spring constant of the spring

How are electro magnets different from other magnets

Definition of freezing

Arrange the four energy units from largest to smallest a. joule (J) b. kilowatt-hour (kWh) c. British thermal unit (Btu) d. Calorie (kcal or c.

What happens when Dr. Hewitt places a current - carrying wire between the poles of the magnet for the first time?

The football player running toward the goal line has A. Potential energy B. Chemical energy C. Kinetic energy D. Elastic potential energy

If the density of an object is 30 g/cm3 and its volume is 10 cm3, what is its mass in grams?

Explain how atoms are aligned in a magnet in terms of the North and South poles.

Which of the following has the largest gravitational potential energy A. a 10kg dog running down the street at 30mph B. a tightrope walker slowly crossing niagara falls C. a 0.02kg bullet moving down the barrel at 800mph D.