Chapter Wrap Up Mixtures and Solutions

This photo shows a mixture of sand and glass marbles. Think about mixing the marbles with more sand. Which tool would be most useful for separating the mixture?

• a tank of water

• a magnet

• a sieve

• a freezer

Tags

NGSS.MS-PS1-2

How does the sugar change when it is mixed with tea?

• The sugar changes temmperature

• The sugar breaks into smaller pieces.

• The sugar becomes magnetic.

• The sugar changes into another substance.

Tags

NGSS.MS-PS1-2

Tonya makes two models of solutions. She mixes red sand and yellow sand in one beaker. She mixes red water and yellow water in a second beaker. Which is a better model of a solution? Explain.

The _________ is a better model of a solution because _________.

Tonya hace dos modelos de soluciones. Mezcla arena roja y arena amarilla en un vaso de precipitados. Mezcla agua roja y agua amarilla en un segundo vaso. ¿Cuál es un mejor modelo de solución? Explica.

El _________ es un mejor modelo de solución porque _________.

This illustration shows salt and water. Salt and water form a solution.

How does salt change when it dissolves in water? Select TWO answer choices.

• The salt melts.

• The salt breaks apart into tiny pieces.

• The salt becomes a new substance.

• The salt mixes evenly throughout the water.

Tags

NGSS.MS-PS1-2

If you mix 10 grams of sugar in water, can you get 10 grams of sugar when you separate the mixture? Explain.

If I separate the sugar and water, I (will or will not) get 10 grams of sugar because __________.

Si mezclas 10 gramos de azúcar en agua, ¿puedes obtener 10 gramos de azúcar al separar la mezcla? Explicar.

Si separo el azúcar y el agua, (obtendré o no obtendré ) 10 gramos de azúcar porque __________.

Tags

NGSS.MS-PS1-5

How do lemons become lemonade?

Lemons become lemonade because ________. Lemonade is a (mixture or solution) because ______.

¿Cómo se convierten los limones en limonada? Los limones se convierten en limonada porque ________. La limonada es una (mezcla o solución) porque ______.