***PHYSICAL and CHEMICAL CHANGES***
WHAT IS THE DIFFERENCE?
PHYSICAL AND CHEMICAL CHANGES EXPERIMENTS
STATES OF MATTER____________________
ONLINE ACTIVITIES:
PROPERTIES OF MATERIALS
rigid--flexible
transparent--opaque
hard--soft
smooth--rough
heavy--light
**********MIXTURES***********
FORCES AND THEIR EFFECTS
A- non-contact forces
gravity
magnetism
B- Contact forces
friction
buoyancy
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