Observing Chemical Change

produces one or more new substances

• physical changes

• chemical changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A(n) ______________ reaction is a reaction in which energy is absorbed. 

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

atoms rearrange to form new substances

• chemical reaction

• biological reaction

• physical reaction

• nuclear reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a change in which energy is released

• chemical reaction

• biological reaction

• emotional reaction

• physical 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 burning match is an example of a ___________ change

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the the correct criteria for a chemical change?

• It is easily reversible and energy is released or absorbed

• A new substance is formed and energy is released or absorbed

• No new substance is formed and energy is released or absorbed

Tags

NGSS.MS-PS1-2

Check the boxes that relate to what happens during a chemical reactions

• light is emitted

• bubbles of gas appear

• colour change

• temperature drops

Tags

NGSS.MS-PS1-2