Science TEKS

Which one of the following solids is not soluble in water?

• sugar

• sand

• copper sulfate

• salt

A combination of two or more substances where each keeps its own properties and both can be easily separated is called-

• a mixture

• a solution

• a solute

• a solvent

A combination of two or more substances that cannot easily be separated--

• mixture

• solution

• solute

• solvent

Which would I need to mix salt with to create a solution?

• water

• sand

• more salt

• rocks

Solids that are combined together and maintain their physical properties are called a

• mixture

• solid

• solvent

• solute

Solutions are a type of mixture. What makes solutions different from other mixtures is....

• The elements in a solution react to compounds

• One substance dissolves in the other

• Two or more substances are combined

A combination of rocks and water is an example of

• A mixture

• A solution

• Dissolving

Which of the following is NOT a mixture?

• sand, salt, and rocks in a bucket

• trail mix made with dried fruit,

  nuts, chocolate drops, and

  pretzels

• water in a glass

• rocks and sand in the ocean

Salt dissolves in water like ----

• Pepper dissolves in water

• Sugar dissolves in water

• Rocks dissolve in water

• Seeds dissolve in water

A single part (or just one material) of a mixture or solution is called

• Mixture

• Substance

• Solution

• An item