One teaspoon of sugar can sweeten a cup of coffee here on Earth. When at the moon, one ill need how much sugar to sweeten a cup of coffee.

Mixtures that are being stirred dissolve faster than mixtures that are not stirred. Which ofthe following factors can explain it?

Kent’sclassmate showed him a 3 cm³ sample of a yellow solid with a mass of 26.7 g which he assumed to be gold. Is the assumption correct?

Which of the following processes CANNOT help you identify whether a liquid is pure water ora solution?

              I. Measuring its boiling and melting temperatures.

              II. Observing the phase, color, odor, or taste.

              III. Separating the component through physical means.

Ice cubes become liquid water when taken out of the refrigerator. The process involved is ______.

Unlike physical change where the characteristics of the materials are retained, chemical change results to the formation of a new substance with properties different from the original material/s. this is due to the

When you see bubbles on the bowl of soup which had been left on the table for one night, you may infer that

SO₂ from burnt fossil fuels reacts with water in the air forming acid rain. Which is NOT an effect of acid rain to the environment? It may

Physical change is shown, in which of the following situations?

Solution is a mixture which formed when one matter dissolves and mixes homogeneously with another matter. Which is NOT a solution?

With the strong gravitational attraction between the earth and the sun, the earth would drawn close to the sun. what prevents it from happening?

Jaybee kicks a ball on a level sidewalk. It rolls to a stop after some time because

Bikers apply grease to the gears of bicycles to

A satellite is moving with a constant speed in its orbit around the Earth. The satellite is

The following situations show that work is done on an object other than oneself EXCEPT in