Chapter 4 Lesson 1 Observing Chemical Change

any change that alters the form or appearance of a substance

• Physical change
• Emotional change
• Chemical change
• Mental change

atoms rearrange to form new substances

• chemical reaction
• biological reaction
• physical reaction
• nuclear reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

substances that undergo chemical changes

• Inhibitors
• Reactants
• Products
• Catalysts

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

new substances that are formed from chemical changes

• reactants
• products
• ingredients
• elements

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a solid that forms from liquids during a chemical reaction

• precipitate
• sublimate
• dissolve
• evaporate

Tags

NGSS.MS-PS1-2

a change in which energy is absorbed

• exothermic
• thermal
• kinetic
• endothermic

Tags

NGSS.MS-PS1-4

a change in which energy is released

• chemical reaction
• biological reaction
• emotional reaction
• physical reaction

Tags

NGSS.MS-PS1-2