Exothermic and Endothermic Reactions

Presentation

•

Science

•

7th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-PS1-4, HS-PS3-2, HS-PS3-4

Standards-aligned

Sylvia Soap

Used 1+ times

FREE Resource

13 Slides • 9 Questions

Multiple Choice

A sample of magnesium sulfate is placed in 50.0g of water at 20°C in a calorimeter. The student stirs the sample and monitors the temperature. The temperature rises to 25°C. How would you describe the dissolution of magnesium sulfate in water?

Endothermic Reaction

Exothermic Reaction

Multiple Choice

What is the term for the energy required to break the bonds in the reactants for a chemical reaction to occur?

Activation Energy

Kinetic Energy

Potential Energy

Thermal Energy

Multiple Choice

What is the difference between endothermic and exothermic reactions based on energy changes?

Endothermic reactions absorb energy, while exothermic reactions release energy.

Endothermic reactions release energy, while exothermic reactions absorb energy.

Both types of reactions absorb energy.

Both types of reactions release energy.

Categorize

Options (10)

Heat is absorbed

Heat is released

$-\Delta H$

$+\Delta H$

Temperature of the surroundings decreases

Temperature of the surroundings increases

Bonds are formed

Bonds are broken

Heat is a reactant

Heat is a product

Organize characteristics as either endothermic or exothermic

Endothermic

Exothermic

Multiple Choice

According to the potential energy diagram shown above, the chemical reaction in the forward direction is

exothermic because it absorbs energy

exothermic because it releases energy

endothermic because it absorbs energy

endothermic because it releases energy

Categorize

Options (8)

absorbs energy

releases energy

photosynthesis

burning wood

baking bread

combustion of fuel

handwarmer

melting ice

Sort the types of reactions into their correct category.

Endothermic

Exothermic

Multiple Choice

What is the significance of the activation energy in an exothermic reaction?

It is the energy released during the reaction

It is the energy required to break bonds

It is the energy that determines the speed of the reaction

It is the energy that is absorbed during the reaction

Categorize

Options (8)

fireworks going off

photosynthesis

burning wood

rusting iron

explosion of a bomb

melting ice

evaporation of water

sublimation of dry ice

Organize these options into the right categories

Exothermic

Endothermic

Poll

How confident do you feel about this topic now?

Very confident

Somewhat confident

Not confident

Show answer

Auto Play

Slide 1 / 22

SLIDE

Similar Resources on Wayground

17 questions

Density Lesson

Presentation

•

7th Grade

17 questions

Dynamic Ecosystems and Their Populations

Presentation

•

7th Grade

16 questions

Body Systems Review 2

Presentation

•

7th Grade

16 questions

8.9C Topographic Maps and Erosional Features

Presentation

•

7th Grade

16 questions

A) Characteristics of Life--- QUIZIZZ

Presentation

•

7th Grade

15 questions

Repetition Vs. Replication

Presentation

•

7th Grade

15 questions

Rock Cycle

Presentation

•

7th Grade

19 questions

Temperature and Thermal Energy

Presentation

•

7th Grade

Popular Resources on Wayground

10 questions

HCS SCI 03 Summer School Review 4

Quiz

•

3rd Grade

11 questions

HSMS - Standard Response Protocol

Quiz

•

6th - 8th Grade

16 questions

1.1-1.2 Quiz Review

Quiz

•

9th - 12th Grade

12 questions

Exponent Expressions

Quiz

•

6th Grade

20 questions

Adding and Subtracting Integers

Quiz

•

6th - 7th Grade

11 questions

Northeast States

Quiz

•

3rd - 4th Grade

10 questions

Characterization

Quiz

•

3rd - 7th Grade

10 questions

Common Denominators

Quiz

•

5th Grade

Discover more resources for Science

11 questions

HSMS - Standard Response Protocol

Quiz

•

6th - 8th Grade

20 questions

Adding and Subtracting Integers

Quiz

•

6th - 7th Grade

10 questions

Characterization

Quiz

•

3rd - 7th Grade

11 questions

Negative Exponents

Quiz

•

7th - 8th Grade