Endothermic and Exothermic

You love Ice Cream because it is created through the ______________________ process.

• conservation

• endothermic

• exothermic

• engineering

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After endothermic and exothermic reactions matter _________________.

• stays the same.

• is destroyed.

• is created.

• is denser.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

All the energy in the room is being absorbed. Now you are freezing. This is a result of a(n) _____________________ .

• climate change

• exothermic reaction

• broken heater.

• endothermic reaction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

You are experimenting with four different substances: baking powder, baking soda, corn starch, and baby powder. You mix each of these substances with salt. Which of these substances is considered the control?

• baking powder

• salt

• corn starch

• baby powder

• baking soda

When a candle is lit hydrocarbons are combusting. An exothermic reaction is occuring. Energy is being _________________ .

• absorbed

• frozen

• destroyed

• released

Tags

NGSS.HS-PS1-4

In this reaction it takes more energy to break the reactant bonds than there is energy left in the product.

• exothermic

• normal

• endothermic

• advanced

Tags

NGSS.HS-PS1-4

In this type of reaction there is more energy stored in the product than it takes to break the bonds of the reactants.

• advanced

• exothermic

• basic

• endothermic

Tags

NGSS.HS-PS1-4

Which statement is true about freezing points.

• Salt lower the freezing point of H2O.

• The freezing point is lowered when making ice cream.

• Calcium chloride lowers the freezing point of H2O.

• All of the above.

Tags

NGSS.MS-PS1-4