

Investigation 8- dissolving vs melting
Presentation
•
Science
•
8th Grade
•
Easy
Standards-aligned
Sarah Melachrinos
Used 13+ times
FREE Resource
6 Slides • 6 Questions
1
Investigation 8- dissolving vs melting

2
Open Ended
What are the three phases of matter?
¿Cuáles son las tres fases de la materia?
3
In investigation 8, we will be looking at phase changes, or what happens when a substance changes from one phase of matter to another.
En la investigación 8, examinaremos los cambios de fase, o lo que sucede cuando una sustancia cambia de una fase de la materia a otra.
4
We are going to be looking at the process of melting. I want to be sure you know the difference between melting and dissolving first.
Vamos a ver el proceso de fusión. Quiero estar seguro de que sabes la diferencia entre fundir y disolver primero.
5
Dissolving- Dissolving
Needs two substances, called the solute and a solvent Necesita dos sustancias, llamadas soluto y un disolvente
In dissolving, the solute (normally a solid) mixes into the solvent (liquid) to make a new mixture (solution) En la disolución, el soluto (normalmente un sólido) se mezcla en el disolvente (líquido) para hacer una nueva mezcla (solución)
Does not need heat to occur No necesita calor para ocurrir
6
Melting- Derritiendo
melting involves only a solid..el derretimiento implica sólo un sólido
In melting, the solid changes into a liquid that is the same material...En derritiendo el sólido se transforma en un líquido que es el mismo material
Melting needs heat to occur...El derritiendo necesita calor para ocurrir
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Multiple Choice
Putting sugar in tea
Poner azúcar en el té
Melting
derritiendo
Dissolving
Dissolving
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Multiple Choice
Ice melting in a pan
El hielo se derrite en una sartén
melting
derritiendo
dissolving
Disolución
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Multiple Choice
Adding salt to water
Adición de sal al agua
melting
derritiendo
dissolving
Disolución
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Multiple Choice
Instant coffee in water
Café instantáneo en agua
melting
derritiendo
dissolving
Disolución
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Multiple Choice
Butter in a pan
Mantequilla en una sartén
melting
derritiendo
Dissolving
Disolución
12
We will be focusing on what happens at the particle level when a substance melts.
Please answer the focus question assignment on Unified classroom: Investigation 8.1 Focus Question- What do you think happens at the particle level when a substance melts
Nos centraremos en lo que sucede a nivel de partículas cuando una sustancia se derrite.
Por favor, responda a la tarea de preguntas de enfoque en el aula unificada: Investigación 8.1 Pregunta de enfoque- ¿Qué crees que sucede a nivel de partículas cuando una sustancia se derrite
Investigation 8- dissolving vs melting

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