Front

In which of these are the particles farthest apart and have the largest motion? Options: gas, solid, liquid, matter

Back

gas

Front

What most likely happened to the salt in the sidewalk after it was washed with water?

Back

It dissolved in the water

Front

A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container. Based on these observations, which container most likely holds only gas?

Options:

Container 1

,

Container 2

,

Container 3

,

Container 4

Back

Container 3

Front

Some students investigate the properties of four objects using a hand lens, a magnet, and a beaker containing water. Their observations are recorded in the table. Which statement identifies a property that could be used to classify these objects into two different groups?

Options:

Density can be used to separate objects that sink in water from objects that do not.

,

Magnetism can be used to separate objects that are attracted by a magnet from objects that are not.

,

Solubility can be used to separate objects that dissolve in water from objects that do not.

,

Physical state can be used to separate objects that are solids from objects that are not.

Back

Density can be used to separate objects that sink in water from objects that do not.

Front

A student adds 10 grams of four different powdered solids into four different beakers, adds 100 mL of water to each, stirs, and lets them sit for half an hour. What is the student most likely investigating?

Back

Which substances dissolve in water?

Front

What most likely happened to the mixture after a student left a blue liquid paint mixture in an open container for several days?

Back

The water evaporated, leaving only a dry blue solid in the container.

Front

Why was there sugar left at the bottom of Maria's iced tea after both Maria and her mom stirred the same amount of sugar into their teas?

Back

Maria's tea was at a lower (colder) temperature and dissolving is slower.

Front

Fastest way to sort steel pellets from stone gravel?

Back

Sort by magnetism using a magnet.

Front

EVAPORATION would be used for which of the following situations? Options: removing iron nails that have fallen into a box of aluminum screws, removing salt that has dissolved in water, separating marbles into groups of different sizes/diameters, separating sea shells from a tank of ocean water

Back

removing salt that has dissolved in water

Front

The diagram above shows one container with oil and water and another with oil and a cork. Which diagram below shows what most likely would happen if oil, water, and the cork were all put in the same container?

Back