diff --git a/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md b/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md
index bcb2931..d88b0c1 100644
--- a/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md	
+++ b/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md	
@@ -139,8 +139,8 @@
 |Plastic|Insulator|
 
 ## How Lightning Works
-- In the cloud, it acts as a guant electrical generator.
-- Water droplets rise up and freezea and fall back, they are now either postive or negatively charged.
+- In the cloud, it acts as a giant electrical generator.
+- Water droplets rise up and freeze and fall back, they are now either postive or negatively charged.
 - The negative charges go to the cloud and the postiive charges move to the top.
 - When the charges reunite, lightning will strike.