11/18/20 Science

One gram of ice is placed in a closed container. Heat is added to the container, and the ice melts into water. Which is most likely the mass of the water?

• 0.5 grams

• 1 gram

• 1.5 grams

• 1 kilograms

What is the process by which a liquid gaining heat energy?

• absorption

• condensation

• evaporation

• precipitation

Mrs. Jones wants to prove to her students that when an object is burned, its total mass is the same before and after the reaction. What should Mrs. Jones do to make sure this is shown by the experiment

• add water to the object after it is burned

• burn the object outside on a nice day

• split the object into two equal pieces before burning

• burn the object in a closed container

One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bubbles. In this example, the formation of a gas

• is a physical property.

• .occurs when only adding it to a acid.

• is a sign of a a new substance being formed.

• occurs when the water boils

Which are most likely to increase evaporation?

• increased runoff and increased cloud cover

• increased runoff and decreased cloud cover

• decreased runoff and increased cloud cover

• decreased runoff and decreased cloud cover

. In which can the original substances involved in the change most likely be recovered?

• a piece of iron rusting

• a container of juice freezing

• a piece of wood burning

• a pan of cookies baking

What is the result of water vapor losing heat energy?

• A. wind

• B. clouds

• C. lightning

• D. tornadoes

City neighborhoods include many water-resistant surfaces such as roads, sidewalks, and driveways. These water-resistant surfaces can prevent rainfall from penetrating the soil and ground. The rain is re-routed to storm drains and most likely causes an increase in what process?

• A. precipitation

• B. evaporation

• C. evaporation

• D. runoff

After a hot sunny day, a plant withers and dries up. Which explains how this happens?

• A. The hot sun causes respiration of the plant’s water.

• B. The hot sun causes precipitation of the plant’s water.

• C. The hot sun causes transpiration of the plant’s water.

• D. The hot sun causes condensation of the plant’s water.