Topic 2 Lessons 2-4

A _______ creates new substances.

• Chemical Change

• Physical Change

Ways to speed up the dissolving process (3 correct answers)

• stir the mixture

• Use hot water

• Use cold water

• break the solution into smaller pieces

Ways to slow down the dissolving process (3 correct answers)

• use larger pieces of the solute.

• Use hot water

• do NOT stir mixture

• cold water

A _______ is made when two or more substances are combined, but each substance keeps its own properties.

• mixture

• solution

• solute

• solvent

You can separate a ________ by hand, strainer, or use energy to change the state.

• mixture

• solution

• solute

• solvent

You can separate a ________ by hand, strainer, or use energy to change the state.

• mixture

• solution

• solute

• solvent

A common example of a solution is salt water where the salt _______(dissolves) in the water.

• mixture

• solution

• solute

• solvent

A common example of a solution is salt water where the salt (solute) dissolves in the water (______)

• mixture

• solution

• solute

• solvent

A common solution is

• freshwater

• salt water

All solutions are ___(A)____, but not all mixtures are ____(B)______.

• A. solutions B.mixtures

• A. mixtures B.solutions