Understanding Groups and Properties in Science

What do all members of any group have in common?

• They attend the same school

• They share common interests or characteristics

• They speak the same language

• They live in the same area

What are molecules made up of?

• Atoms

• Particles

• Cells

• Elements

What is a substance in scientific terms?

• Matter made of one kind of molecule or atom

• A kind of element

• A type of molecule

• A mixture of different atoms

What cannot be broken down into simpler substances?

• Mixtures

• Elements

• Compounds

• Molecules

What property did the safety pin and paperclip share?

• Reflectivity

• Elasticity

• Flexibility

• Transparency

Which objects were attracted to the magnet?

• Tissue and paperclip

• Safety pin and paperclip

• Magnet and candy bar

• Candy bar and tissue

What does it mean if a substance is called an element?

• It changes properties under pressure

• It cannot be broken down into simpler substances

• It is made of multiple types of atoms

• It can be broken into simpler substances

Why are the safety pin and paperclip grouped together?

• They are made of metal

• They are both shiny

• They are both small objects

• They are used in offices

What property is common to elements?

• They can be easily broken down

• They have specific, unique properties

• They are always liquids

• They are colorless

What is the main reason scientists group substances?

• To create new elements

• To change their properties

• To predict how they will behave

• To find their weight