Exothermic and Endothermic Lessons

Multiple Choice

In an exothermic reaction, heat is ...

• taken in

• given out

Multiple Choice

In an endothermic reaction, heat is ...

• taken in

• given out

Open Ended

What is HCl & NaOH?

Open Ended

What is MgCl?

Multiple Choice

How do you test for hydrogen gas?

• Relight a glowing splint

• Makes a squeaky pop with a lit splint

• Turns limewater milky

• Bleaches damp limtus paper

Multiple Choice

How do you test for oxygen gas?

• Makes a squeaky pop with a lit splint

• Relights a glowing splint

• Bleaches damp litmus paper

• Turns limewater milky

Open Ended

What is Cu & HNO3

Multiple Choice

How do you test for carbon dioxide gas?

• Turns limewater milky

• Relights a glowing splint

• Makes a squeaky pop with a splint

• Bleaches damp litmus paper

Multiple Choice

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar

• CO₂ + sugar + H₂O --> O₂ + light

• _O2 + light + H₂O --> CO₂ + Sugar

• CO₂ + O₂ + H₂O --> Light+ Sugar

Multiple Choice

What are the products of photosynthesis?

• Glucose and Chlorophyll

• Glucose and Oxygen

• Water and Light energy

• Carbon Dioxide and Light energy

Open Ended

What is C6H12O6?

Open Ended

What will you observe when baking soda is added to vinegar?

Multiple Choice

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm

• Cold

Multiple Choice

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

• Stay the same

• Increase

• Decrease

Multiple Choice

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

• Endothermic processes

• Exothermic processess

• None of these 

Multiple Choice

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Multiple Choice

____ reactions usually feel cold.

• endothermic

• exothermic

Multiple Choice

When iron nails get rusty, heat is released.  What process is this?

• Exothermic

• Endothermic