Endothermic vs Exothermic Lab Exit Ticket

What is the main purpose of the lab?

• To measure gas production in chemical reactions

• To observe and describe temperature changes in reactions

• To compare physical and chemical changes

• To test the pH of different solutions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If the overall reaction releases heat, it is called:

• Endothermic

• Exothermic

• Chemical

• Physical

Tags

NGSS.HS-PS1-4

If the overall reaction absorbs heat, it is called:

• Exothermic

• Endothermic

• Chemical

• Physical

Tags

NGSS.HS-PS1-4

In the baking soda and lemon juice reaction, the temperature of the mixture:

• Increases

• Decreases

• Stays the same

• Boils immediately

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Based on the temperature change, the baking soda and lemon juice reaction is:

• Exothermic

• Endothermic

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Where is the energy stored in an endothermic reaction?

• In the reactants

• In the products

• In the air

• It is not stored anywhere

Tags

NC.SCI.9-12.PS.Chm.4.1

In an exothermic reaction, the energy is stored in:

• The products

• The reactants

• The thermometer

• The surroundings

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When calcium chloride is mixed with water, what happens to the temperature?

• It decreases

• It increases

• It stays constant

• It freezes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The calcium chloride and water reaction is an example of a(n):

• Endothermic reaction

• Exothermic reaction

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS3-4

When a reaction feels cold, this means:

• The reaction released energy

• The reaction absorbed energy

• There was no energy change

• Energy was destroyed

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1