How does increasing the temperature change the physical properties of an object? 0000 DUT a Increasing the temperature causes chemical reactions to occur Increasing the temperature changes the kinetic energy of the particles of a material Increasing the temperature causes changes in electric fields Increasing the temperature causes the material to become a new compound

Which of the following types of energy is/are classified as potential energy? 1.Thermal energy 2.Energy stored in a spring 3.Gravitational energy (A) 2 and 3 1 only 2 only 3 only 1, 2, and 3

How much energy is required to heat 10 grams of water from 50 Celcius degrees to its boiling point? Specific heat of water is 4.18J/g- C   a. 2090 J b. 500 J c. 41.8 J d. Not enough information to calculate

4. A particular food contains only fat, carbohydrates and protein and has a total of 388 Calories. If 40% of the total Calories comes carbohydrates and 25% of the total Calories comes from protein, how many grams of a) carbohydrates b) protein and c) fat are present in this food item? Post Lab Activity- Critical thinking/Problem Solving Energy and Matter 1. Use your knowledge of changes of physical state of matter, to answer the following. a. Why do wet clothes dry more quickly during a hot summer day than a cold wintery day? TV MAR. tv 25