Understanding Dissolving and Molecular Interactions

What was the main goal of the experiment with pepper, sugar, citric acid, and cumin?

• To find out which substances change color

• To determine which substances dissolve in oil

• To create a salad dressing with no sediments

• To test the boiling points of different substances

What is the investigation question for the lesson?

• What occurs at the molecular level when a solid and liquid are mixed?

• What happens to molecules when they are heated?

• How do molecules behave in a vacuum?

• How do molecules change color when mixed?

What is the purpose of using a digital simulation in this lesson?

• To create 3D models of molecules

• To measure the temperature of substances

• To calculate the weight of molecules

• To visualize molecular interactions that are hard to observe directly

What does the simulation indicate about the attraction between molecules?

• It shows the color of molecules

• It indicates the temperature of molecules

• It displays the attraction level between different molecules

• It measures the size of molecules

What is a limitation of the simulation model discussed in the lesson?

• It cannot simulate molecular movement

• It does not indicate if a substance is solid or liquid

• It does not allow for color changes

• It cannot show molecular attraction

What happens when molecules of a liquid attract molecules of a solid?

• The liquid evaporates

• Dissolving occurs

• The molecules repel each other

• The solid melts

How can you tell if molecules are mixing in the simulation?

• They emit light

• They change color

• They form a black outline or interlock

• They increase in size

What should you do if you struggle with the simulation questions?

• Skip the questions

• Refer to the textbook

• Join the Zoom room for help

• Ask a friend for answers

What is the key point about dissolving discussed in the lesson?

• Dissolving only occurs in hot liquids

• Dissolving happens when liquid molecules attract solid molecules

• Dissolving is a result of temperature change

• Dissolving occurs when molecules repel each other

What should you do after completing the simulation questions?

• Take a break

• Start a new experiment

• Review the investigation question and reflect on your answers

• Submit your answers online