The video lesson introduces atoms, elements, and molecules, using visual aids to explain their differences and relationships. It covers the basic definitions and characteristics of atoms, elements, and molecules, and how they relate to real-world examples. The lesson also introduces the periodic table, highlighting its organization and significance. Through examples, the video explains how molecules are formed by combining atoms and provides a brief overview of complex molecules. The lesson concludes with a preview of future topics and encourages students to take notes for better understanding.

How many different parts make up the first structure described in the lesson?

• Three

• Five

• Two

• Four

What is the height of the second structure described in the lesson?

• One piece tall

• Two pieces tall

• Three pieces tall

• Four pieces tall

Which of the following is NOT made up of atoms?

• The moon

• Cheeseburger

• Shoes and socks

• Love and feelings

Tags

NGSS.MS-PS1-1

What is the simplest form of matter made up of only one type of atom?

• Compound

• Mixture

• Molecule

• Element

How many known elements are there currently?

• 100

• 108

• 118

• 128

Who is considered the father of the periodic table?

• Dmitri Mendeleev

• Albert Einstein

• Isaac Newton

• Marie Curie

What is the chemical formula for water?

• NaCl

• CO2

• O2

• H2O

Tags

NGSS.MS-PS1-1

Which molecule is made up of two hydrogen atoms and one oxygen atom?

• H2

• CO2

• H2O

• O2

Tags

NGSS.MS-PS1-1

What is an example of a molecule with two oxygen atoms bonded together?

• NaCl

• CO2

• O2

• H2O

Tags

NGSS.MS-PS1-1

How many total atoms are in the complex molecule described in the first structure?

• Six

• Nine

• Seven

• Eight

Tags

NGSS.MS-PS1-1