Quiz on Mixtures

All of the items below are mixtures. Which of the following is true of each mixture? Todas son mezclas pero que es lo comun

• Each mixture is also a solution.

  cada mezcla es una solucion

• Each mixture has a part that dissolves.

  Cada mezcla tiene partes que se desuelven

• Each mixture can be separated physically.

  Cada mezcla se puede separar fisicamente, con manos o instrumento

• Each mixture has the same physical properties.

  Cada una mezcla tiene las mismas propiedades

Xavier has two beakers with the same amount of water. In one beaker, he pours sand. In the other beaker, he pours salt. He stirs both of the beakers for a few minutes. Which statements about the contents of the beakers are true? Select TWO correct answers.

Xavier tiene dos vaso. Misma contidad de agua. Uno tiene arena, otro sal,

Que es verdad de los DOS vasos

• The beaker with sand is a solution.

  vaso con arena solucion

• The contents of both beakers are a solution.

  Los dos vasos son solucion

• The beaker with sand is a mixture.

  Vaso con arena es una mezcla

• The beaker with salt is a solution. El vaso con agua y sal es solucion

Complete the following statement by moving the answers to the correct boxes. This is a ______ because it has ______ or more objects that have ______ their physical properties.

Completa la oracion

ESTE ES UNA -------- PORQUE TIENE UNA o mas objetos que tienen la misma propiedad fisica.

• mixture

  mezcla

• solution

  solucion

• compound

  compuesta

• element

  elemento

A student mixed 30 grams of sugar into 100 grams of water. The sugar dissolved. Based on the data in the table, find the mass of the sugar solution.

Un estudiante menea 30 gramos de azucar con 100 gramos de agua. La azucar se desolvio

• 100 grams

• 108 grams

• 130 grams

• 200 grams

Tags

NGSS.MS-PS1-5

This question has two parts. First, answer Part A. Then answer Part B. Part A Hannah mixes water, lemon juice, and sugar to make herself something to drink on a hot summer's day. Which statement about the substances is true when they are stirred together?

HANNA MEZCLA AGUA, JUGO LIMON, Y AZUCAR

ESCOGE VERDAD AL MENEARSE?

• The water, lemon juice, and sugar maintained their physical properties after they were stirred together.

  PROPIEDAD FISICA DE TODOS LOS INGREDIENTES SE QUEDAN

• The water, lemon juice, and sugar formed three different layers when they were stirred together.

  AGUA, JUGO LIMON Y AZUCAR HACEN CAPAS SE SEPARAN

• The lemon juice and sugar dissolved into the water making a solution when they were stirred together.

  JUGO Y AZUCAR SE DESUELVEN EN EL AGUA AL MENEARSE

• The lemon juice dissolved in the water, but the sugar maintained its physical properties when they were stirred together.

  SE PUEDE VER EL AZUCAR

Tags

NGSS.MS-PS1-2

Part B Hannah left her drink on her desk for a week. When she remembered that she left it out, what MOST LIKELY happened to the mixture in her cup?

HANNA DEJA EL VASO. QUE LE PASA AL JUGO LIMON, AZUCAR,

• The cup was empty after the mixture evaporated into the air.

  VASO ESTA VACIO

• The sugar evaporated, leaving the lemon juice and water in the container.

  AZUCAR SE EVAPORO

• The mixture was a little darker after the water evaporated.

  EL COLOR SE CAMBIO A NEGRO

• The water evaporated, leaving sugar crystals behind.

  AGUA EVAPORO DEJO UN POCO DE AZUCAR

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Los estudiantes están realizando un laboratorio para separar mezclas. ¿Qué método pueden usar los estudiantes MEJOR para separar cada mezcla en partes? Selecciona la respuesta correcta.

• Arena y limaduras de hierro

• Agua y arena

• Pretzels y cacahuetes

• Guijarros y bloques de madera

• Cereal y leche

A group of students weighed a sealed jar full of heavy cream. Then they shook the jar until the cream separated, and then they weighed the jar again. Which of the following would BEST describe its weight?

• The jar will have gained weight because some liquid changed to a solid.

• The jar will have gained weight because shaking added energy to it.

• The jar will have lost weight because of friction from shaking the liquid.

• The jar will have kept the same weight because it did not gain or lose any matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Solutions are a type of mixture. While a simple mixture can be easily separated, solutions are somewhat more difficult to separate. Which tool and procedure would be the best choice for separating a solution?

COMO SE SEPARA UNA SOLUCION

• Tweezers

  PINZAS

• Strainer

  COLADOR

• Magnet

  IMAN

• Heat

  CALOR

A student drew images of mixtures and solutions that could be found in his kitchen. Which image is a mixture that is not a solution?

QUE ES MEZCLA

• Lemonade

  LIMONADA

• Oatmeal

  AVENA

• Diet orange soda

  SODA DE NARANJA

• Gelatin dessert

  JELATINA