Understanding Dissolving and Solubility

The video follows Diego and his sister Maya as they explore the concept of dissolving. Maya, curious about why sugar disappears in lemonade, learns through experiments and models that sugar dissolves because its molecules are attracted to water molecules. They also test cinnamon, which does not dissolve, illustrating the concept of solubility. The video concludes with Maya eager to explore more substances, highlighting the investigative learning process.

What activity did Diego suggest to keep Maya busy?

• Reading a book

• Playing a game

• Watching TV

• Making lemonade

Why did Maya think the sugar disappeared in the water?

• It dissolved

• It melted

• It sank to the bottom

• It evaporated

What did Diego suggest to prove the sugar was still in the water?

• Leaving the water on the windowsill

• Adding more sugar

• Stirring the water more

• Boiling the water

What did Diego use to explain the concept of dissolving to Maya?

• A science book

• A video

• A magnifying glass

• A microscope

What are the tiny pieces that sugar grains break down into called?

• Particles

• Molecules

• Cells

• Atoms

What did Diego use to represent water molecules in his drawing?

• Squares

• Triangles

• Circles

• Stars

Why did the cinnamon not dissolve in the lemonade?

• It was too large

• It was too heavy

• It was not stirred enough

• It was not soluble in water

What did Diego compare the attraction between water and sugar molecules to?

• Tape

• Velcro

• Glue

• Magnets

What did Maya want to investigate after understanding dissolving?

• The properties of water

• How to make more lemonade

• Different types of sugar

• Other substances that dissolve in water

What did Maya learn about solid ingredients like sugar in water?

• They disappear completely

• They break down into molecules too small to see

• They float on top

• They sink to the bottom