Separation of Mixtures Quiz

The pictures show tools that can be used for separating mixtures. Which mixture is paired with the best tool for separating the materials?

• Salt and pepper - Tweezers

• Pieces of cork and pebbles - Beaker of water

• Safety pins and iron nails - Magnet

• Sand and iron filings - Colander

A student makes a mixture of gravel, iron filings, and water. Which table correctly identifies the tools that can be used to separate each substance from the mixture?

• A. Screen - Gravel, Magnet - Iron filings, Paper filter - Water

• B. Funnel - Gravel, Paper filter - Iron filings, Hot plate - Water

• C. Screen - Gravel, Hot Plate - Iron filings, Funnel - Water

• D. Paper filter - Gravel, Magnet - Iron filings, Screen - Water

A person heats 500 milliliters of water in a beaker. Then the person stirs 10 grams of table sugar into the water. Which property will the sugar keep after it has dissolved in the water?

• Its grainy texture

• Its whitish color

• Its temperature

• Its sweetness

A student heats 250 milliliters of water in a cup to approximately 50 °C and adds 6 grams of salt. The mixture of salt and water is then stirred for 15 seconds. Which results will the student MOST LIKELY observe after the mixture has been stirred for 15 seconds? Select TWO correct answers.

• The salt will dissolve.

• The salt will sink to the bottom of the cup.

• The water will remain clear.

• The salt will float on the water.

• The water will change from clear to opaque white.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

Si derramas clavos en un arenero, ¿qué herramienta de separación podrías utilizar para limpiar el arenero para que los niños puedan jugar sin peligro?

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What tool is this?

Que herramienta es esta?

• sieve / colador

• filter / filtro

Sand and gravel may be separated from each other through using..

Arena y grava se pueden separar por usando cual herramienta

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