Chemical Reactions

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

What can molecules be seen with?

• Magnifying Glass
• Microscope
• IDK
• Your Eye

a group of atoms joined together in particular way

• molecules

• matter

• extended structure

• repeating groups of atoms

the tiny pieces that all matter-all stuff in the world is made of

• atoms

• molecules

• matter

• energy

an object, diagram or computer program that helps us understand something by making it simpler or easier to see

• microscope

• model

• diagram

• element

H is the symbol for what atom?

• Helium

• Hydrogen

• Hydra

• Oxygen

Na is the symbol for what atom?

• Nitrogen

• Nitrate

• Sodium

• Sulfur

Look at the following chemical formula: 
CH₄
How many DIFFERENT ELEMENTS are in that compound? 

• 2
• 5
• 3
• 1

Tags

NGSS.MS-PS1-1

Look at the following chemical formula: 
CH₄
How many TOTAL ATOMS are in that compound? 

• 4
• 3
• 8
• 5

Tags

NGSS.MS-PS1-1

Everything is made up of little tiny things called _____

• compounds
• molecules
• atoms
• solids

Tags

NGSS.MS-PS1-1