SC.5.P.8.1, P.8.3, SC.5.P.9.1 Review Quiz

Susan made tea for her guests by placing a tea bag in a cup of hot water and then adding a couple drops of lemon juice and two teaspoons of sugar. What most likely happened to the ingredients that were added to the hot water?

• Everything added to the cup dissolved in the water

• Only the lemon juice dissolved in the water

• Only the sugar dissolved in the water

• Only the tea dissolved in the water

Tags

NGSS.MS-PS1-2

The same amount of sugar crystals were placed in two cups of water. One cup contained hot water (no sugar crystals can be seen after 30 secs) and one cup contained cold water (sugar crystals are still visible after 30 secs). Which statement best describes the differences seen in the cups above?

• Sugar crystals take longer to dissolve in cold water

• The sugar crystals placed in the hot water were probably smaller than those placed in the cold water

• Sugar crystals do not dissolve in water

• Sugar crystals take longer to dissolve in hot water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Andrew wants to conduct an experiment to learn if he can use high temperatures to dissolve salt in water. Which term is best used to classify salt mixed in water at room temperature?

• A mixture

• A solution

• A compound

• An element

Maria and her husband Jose have built a sandbox in the backyard for their kids. They want to allow the kids to complete the project by adding the sand. Which of the following methods can Maria and Jose use to determine how much sand to place in the sandbox?

• A thermometer to measure the temperature of the sand

• A balance scale to determine the mass of the sandbox

• A measuring tape to measure the volume of the sandbox

• A graduated cylinder to measure the volume of the sandbox

Chloe and her sister loved to get into the car when there was fog on the windows. They enjoyed dragging their fingers over the window to spell out their names. Which of the terms best describes why the fog appears on the car windows?

• Melting

• Freezing

• Condensation

• Evaporation

A physical change does not alter a substance; it may change in size, shape or form. In a chemical change, where there is a chemical reaction, a new substance is formed. Which of the following best represents a chemical change?

• Folding paper

• Burning a candle

• Cutting down wood

• Boiling water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5