Pre-Quiz Scope 2 6th grade

How can you distinguish between pure substances and mixtures?

• Pure substances can be separated into their parts while mixtures cannot be separated.

• Pure substances are categorized as homogeneous or heterogeneous substances while mixtures are categorized as compounds or elements.

• Pure substances cannot be separated into their parts while mixtures can be separated.

• Pure substances are categorized as homogeneous or element substances while mixtures are categorized as compounds or heterogeneous.

A student made trail mix to take on a hiking trip. They decided to add peanuts, chocolate pieces, cereal, and popcorn to it. Which of the following is true about the trail mix?

• The trail mix is an example of a pure substance.

• The trail mix is an example of a heterogeneous mixture.

• The trail mix is an example of a homogeneous mixture.

• The trail mix is an example of a solution.

Which of the following examples is NOT a pure substance?

• Hydrogen

• Water

• Carbon

• Lemonade

What title best describes the table below?

• Characteristics of Pure Substances

• Characteristics of Elements

• Characteristics of Homogeneous Mixtures

• Characteristics of Heterogeneous Mixtures

Tags

NGSS.MS-PS1-4

Students made two mixtures. Mixture 1 was made by mixing salt into water. Mixture 2 was made by mixing iron filings into sand. Which of the following statements is true for both mixtures?

• Both mixtures can be separated by pouring them through a filter.

• Both mixtures can be separated into their original ingredients.

• Both mixtures can be separated using the property of magnetism.

• Both mixtures can be separated into a liquid and a solid.