The video explores the concept of groups and commonalities among them, both in social contexts and in materials. It explains how matter is composed of atoms and molecules, and how these can be grouped based on properties like transparency, reflectivity, and magnetism. The video also demonstrates an experiment to categorize objects by their properties, highlighting the similarities in materials with common properties.

What do all members of any group have in common?

• They are from the same location

• They share specific interests or characteristics

• They attend the same school

• They work at the same company

What is the smallest unit of a substance?

• Molecules

• Cells

• Atoms

• Particles

Tags

NGSS.MS-PS1-1

What is a substance made of only one kind of molecule or atom called?

• Element

• Compound

• Mixture

• Solution

What property is common to both water in a droplet and in a swimming pool?

• Smell

• Freezing point

• Taste

• Color

What are molecules made up of?

• Elements

• Atoms

• Particles

• Compounds

Tags

NGSS.MS-PS1-1

What can elements be broken down into?

• They cannot be broken down further

• Atoms of other elements

• Different molecules

• Simpler substances

Which property did not help in effectively grouping the objects from the backpack?

• Magnetism

• Reflectivity

• Transparency

• Color

Tags

NGSS.MS-PS4-2

What common property do the safety pin and paperclip share?

• Color

• Magnetism

• Flexibility

• Weight

Which objects were attracted to the magnet?

• Candy bar and tissue

• Tissue and paperclip

• Safety pin and paperclip

• Magnet and candy bar

Tags

NGSS.MS-PS2-3

What does the grouping of substances by their properties help scientists predict?

• The cost of the substances

• The color of the substances

• How substances will react

• The weight of the substances

Tags

NGSS.MS-PS1-2