Science Quiz

What is the main difference between an element and a compound?

• An element is made up of one type of atom; a compound is made up of two or more different elements chemically bonded.

• An element can be broken down into simpler substances; a compound cannot.

• An element is always a solid at room temperature; a compound can be in any state.

• An element is always found in nature; a compound is always synthetic.

Which of the following best describes a material?

• A material is a single substance in its purest form.

• A material is any substance that has mass and takes up space.

• A material is a substance made of only one type of molecule.

• A material is a liquid that can dissolve other substances.

What is the primary purpose of distillation?

• To separate mixtures based on density differences.

• To separate mixtures based on boiling point differences.

• To separate mixtures based on color differences.

• To separate mixtures based on magnetic properties.

How is distillation used in the world today?

• To create alloys from different metals.

• To purify water by removing impurities.

• To separate magnetic materials from non-magnetic materials.

• To produce dyes and pigments for fabrics.

In a sugar solution, which of the following is the solvent?

• Sugar

• Water

• Both sugar and water

• Neither sugar nor water

In a sugar solution, what is the solute?

• Sugar

• Water

• Both sugar and water

• Neither sugar nor water

Which method would you use to separate a mixture containing salt, sand, and iron filings?

• Use a magnet to remove the iron filings, dissolve the salt in water, and filter out the sand.

• Use filtration to remove the iron filings, evaporate the water to get the salt, and collect the sand.

• Dissolve the salt in water, use a magnet to remove the sand, and filter out the iron filings.

• Dissolve the salt in water, use a magnet to remove the salt, and filter out the sand.

How would you describe the process of distillation?

• Distillation is a method used to separate mixtures based on differences in boiling points.
• Distillation involves mixing liquids to enhance their flavors.
• Distillation is used to create solid mixtures from liquids.
• Distillation is a process that combines substances into a single phase.