Lesson Review Conservation of Matter

This photo shows a child eating a cereal mixture. The mixture is made from 80 grams of cereal and an unknown amount of milk. The mass of the cereal and the milk together is 170 grams. What is the mass of the milk?

The mass of the milk is ________ grams.

Esta foto muestra a un niño comiendo una mezcla de cereales. La mezcla se elabora a partir de 80 gramos de cereal y una cantidad desconocida de leche. La masa del cereal y la leche juntos es de 170 gramos. ¿Cuál es la masa de la leche?

La masa de la leche es ________ gramos.

Tags

NGSS.5-PS1-2

Metal pieces are mixed with wood shavings. Which TWO statements are true about the physical properties of the mixture?

• The physical properties of the metal pieces will change.

• The physical properties of the metal pieces will not change.

• The physical properties of the wood shavings will change.

• The physical properties of the wood shavings will not change.

Tags

NGSS.MS-PS1-2

A sample of 50 grams of salt is dissolved in water. How could you demonstrate that the salt remains in the water, and that it has not been changed into another substance?

I could ________.

Se disuelve en agua una muestra de 50 gramos de sal. ¿Cómo podrías demostrar que la sal permanece en el agua y que no se ha transformado en otra sustancia?

Yo podria ________.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The mass of a mixture of red gumballs and blue gumballs is 280 grams. Which of the following combinations of gumballs are possible? Select TWO correct combinations of gumballs.

• 140 grams red gumballs, 140 grams blue gumballs

• 150 grams red gumballs, 130 grams blue gumballs

• 180 grams red gumballs, 80 grams blue gumballs

• 80 grams red gumballs, 210 grams blue gumballs

A student prepares a solution of sugar and water. The table shows the masses of the parts of the solution and the whole solution.

How do the physical properties of sugar and water change when they form a solution?

The physical properties of sugar and water change when they form a solution because __________.

Un estudiante prepara una solución de azúcar y agua. La tabla muestra las masas de las partes de la solución y de la solución completa. ¿Cómo cambian las propiedades físicas del azúcar y el agua cuando forman una solución?

Las propiedades físicas del azúcar y el agua cambian cuando forman una solución porque __________.

Tags

NGSS.MS-PS1-2