#8 Endothemic Vs Exothermic Reactions

#8 Endothermic vs Exothermic Reactions

Poll

Welcome BACK! Happy New Years to you all. How was your Winter Break?

• Great!

• Good!

• It was OK!

• Not great (2021 will be better)

Lesson Objective

1. Understand the difference between endothermic and exothermic reactions

2. Be able to identify chemical reactions as exothermic or endothermic using evidence

Multiple Choice

Exo means out or ________.

• absorbed

• released

Multiple Choice

Endo means in or _______.

• absorbed

• released

Multiple Choice

In an endothermic reaction, heat is ...

• taken in or absorbed

• given out or released

Multiple Choice

In an exothermic reaction, heat is ...

• taken in
• given out

Multiple Choice

A school bus burns gasoline while delivering students to school.

• exothermic

• endothermic

Multiple Choice

Your family uses candles to see when the electricity goes out.

• exothermic

• endothermic

Multiple Choice

You freeze juice to make ice pops.

• exothermic

• endothermic

Multiple Choice

_____ reactions usually feel hot!

• ENDOthermic

• EXOthermic

Multiple Choice

Ice cubes in your glass of soda melt.

• endothermic

• exothermic

Multiple Choice

In an endothermic reaction, heat is ...

• taken in

• given out

Multiple Choice

In an endothermic reaction, energy is _________.

• absorbed

• released

Multiple Choice

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same

• Increase

• Decrease

Multiple Choice

What type of reaction is shown in the photo?

• Exothermic

• Isothermic

• Endothermic

• None of the above

Multiple Choice

Baking bread and cooking an egg are examples of....?

• Endothermic processes
• Exothermic processess
• None of these 

Multiple Choice

Is photosynthesis an Exothermic or an Endothermic reaction?

• Endothermic

• Exothermic

Multiple Choice

What type of reaction occurs in a hand warmer

• exothermic

• endothermic

Multiple Choice

If a chemical reaction produces light or sound, it is likely a _____ reaction.

• EXOthermic

• ENDOthermic

Multiple Choice

In ENDOTHERMIC reactions, energy is _____ by the reaction system from the surroundings.

• Absorbed

• Released

• Eliminated

• Obliterated

Multiple Choice

In EXOTHERMIC reactions, energy is _____ from the reaction to the surroundings.

• Absorbed

• Released

• Eliminated

• Evaporated

Multiple Select

What predictable pattern does heat move in?

• Cold to Hot

• Hot to cold

• stays the same

Here's a summary of Endothermic and Exothermic Reactions

Poll

How knowledgeable are you at identifying exothermic and endothermic reactions?

• Expert Level

• Enough to pass

• Beginner

• I need more practice!

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