Science 5.5B

Students conduct an investigation with breakfast cereal. The first four steps of the students’ investigation are in the table shown.

The students are trying to determine the presence of which substance in the cereal?

• Sugar

• Iron

• Salt

• Wheat

Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in a tea solution?

• The taste of sugar

• The size of the sugar crystals

• The color of the sugar

• The texture of the sugar

A student mixes a sample of stones with a sample of table salt. The mass and volume of the samples were determined before mixing the samples. The mass and volume of each sample is shown

Which statement is true about the mixture?

• The mass of the mixture is 85 grams.

• The mass of the mixture is 60 milliliters. 

• The volume of the mixture is 60 grams.

• The volume of the mixture is 85 milliliters.

The table lists the ingredients of five different mixtures.

In which mixtures do all the ingredients maintain their physical state?

• Mixtures 3 and 4 only

• Mixtures 1, 3, and 4

• Mixtures 1,2, and 5

• Mixtures 2 and 5 only

A mixture of beads was placed in a container, as shown below. The beads are of various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads -

• are less dense than water

• are solids

• have the same mass

• are attracted to a magnet