Chemical Masterchef

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

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

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

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

• Exothermic
• Endothermic

Tags

NGSS.HS-PS1-4

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

• Warm
• Cold

Tags

NGSS.HS-PS3-4

What is a precipitate?

• an insoluble reactant formed during a chemical reaction
• an insoluble product formed during a chemical reaction
• a soluble solvent in a saturated solution
• a soluble solute in a saturated solution

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?

• Water
• Carbon Dioxide 
• Dry Chemical
• Foam

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

What is essential for a combustion reaction to begin?

• Carbon dioxide
• Fuel 
• Fuel, oxygen and heat
• Water and oxygen