2nd Quarter Exam Review Science 7

Cookies and cream ice cream would be classified as ________.

• Homogenous mixture

• Compound

• Heterogenous mixture

• Element

What is the dissolving medium in the solution?

• solute

• solution

• mixture

• solvent

What are the parts of a solution?

• Water and salt

• Solution and solute

• Water and powder

• Solvent and solute

What is a solute?

• The substance that is dissolved into the solution

• The substance that does the dissolving in the solution.

• The mixing of different substances

• None of the above

Which factor would not affect the solubility of sugar in water?

• Grind the sugar to make it finer

• Stir the water and sugar

• Heat the water and sugar

• Add salt to the water

Which method below will NOT speed up the rate of salt dissolving in water?

• Increasing the surface area of the solute

• Decreasing the temperature of the solvent

• Stirring the solute into the solvent

• Heating the solvent before adding the solute

It is the basic unit that makes up the matter.

• Organelle

• Atom

• Cell

• Tissue

Tags

NGSS.MS-PS1-1

Who invented optical microscopes?

• Louis de Broglie

• George Thomson

• Albert Crewe

• Anton Van Leeuwenhoek

Which type of compound microscope is composed of one eyepiece?

• Binocular compound microscope

• Monocular compound microscope

• Trinocular compound microscope

• None of the above

These are organisms that consist a single cell.

• Unicellular

• Multicellular

• Plant cells

• Animal cells

Tags

NGSS.MS-LS1-1