A solution is a type of homogenous (same) __________________ made up of two or more substances.

Solutions are __________________ mixtures of two or more substances that spread out evenly and do not settle to the bottom of a container.

Which of the following have particles that are the LEAST capable of moving freely? {Select only TWO choices.}

How would this figure be classified?

What particle in an atom holds two atoms together?

Out of these four options, which will sink?

Out of these four options, which will float?

Which of the following, when added below, will make the solution with the highest concentration.

5g of salt + 5 mL of water + __________________

Why does added the answer from the previous question produce the highest concentration?

Which solution is the MOST concentrated?

Cory is making sweet tea for his family dinner. He only has sugar cubes available to put into the tea.

Which of the following methods would help the sugar cubes dissolve the fastest?

Which of these will increase the rate at which a substance will dissolve?

Which of these variables will decrease the rate a substance dissolves?

A student wants to change the concentration of her first solution. She has an extra container of solution, solvent, solute, and a second solution with more solvent at her disposal for the changes.

Which of the following actions would DECREASE the concentration of the initial solution? {Select only TWO choices}

Holly stirred 2 liters of water with 3 packets of lemon flavoring. When Holly tasted the solution, it was too sour. In order to decrease the concentration of lemon flavoring in her solution, Holly will have to ________________________.

Mrs. Smith's science students were dissolving sugar cubes in water to understand things that impact how fast (rate) sugar would completely dissolve in water.

Which approaches should be used to SLOW DOWN how fast the sugar cubes completely dissolved? {Choose only TWO options.}

A class of 5th graders investigated how long it took different substances to dissolve. They used a container of hot water and a container of cold water for their solvent and a cup of sugar for their solute. The students tested the length of time it took for the sugar to dissolve: once in the hot water and once in the cold water.

What observation should the students have made at the end of their investigation?

Which statement supports the answer to the previous question?

Ocean water contains dissolved salt (NaCl); however, it is possible to separate the salt from the water.

Which technique would be the BEST way to separate the salt from the water?

A group of students collected a bucket of water from a neighboring pond to analyze. The students noticed that the bucket had dirt, sand, and wood particles at the bottom. A ___________________ system would allow the students to quickly analyze the water by separating it from the particles in the bucket.

When salt, sugar, and water are stirred together, a ________________ is created because the salt and sugar completely dissolved in the water, changing some of water's properties such as taste.

A group of students combined the following items in a bowl. Peanuts, Pretzels, M&Ms, and Raisons.

What type of combination did the students create?

Which statement BEST supports the answer to the previous question?

Blending tea, sugar, and hot water for sweet tea.

Creating a trail mix made of nuts and dried berries.

Combining red and blue paints to make a purple paint.

Pouring sand into the bottom of a fish bowl...

Tossing a salad's ingredients without dressing.

Using a blender to make a fruit smoothie.