REVIEW J.U3L3-Thermal Energy + Chemical Processes Question Preview (ID: 59019)


Quiz Prep. TEACHERS: click here for quick copy question ID numbers.

Energy is released because the end of the graph is at a lower energy level than the beginning. Your REASONING is T or F?
a) TRUE
b) False
c) Energy is absorbed
d) Energy is released only when there is fire.

You pick up a hot mug on a cold day and thankfully feel its heat in your hands. Your CLAIM will relate to which form of heat transfer?
a) conduction
b) radiation
c) convection
d) space

The diagram shows what happens before and after two unknown substances are mixed. The left beaker holds warmer water; the right is colder with gas.
a) The reaction releases energy.
b) The reaction destroys energy.
c) The reaction absorbs energy. (from the surrounding hot water)
d) The reaction does not involve energy transfer.

Energy ALWAYS TRAVELS from -- to --.
a) HOT TO cold
b) cold to hot
c) both ways
d) up to down

The graph represents energy changes that occur during a chemical reaction. Your CLAIM? The energy is higher at the start. Your CLAIM?
a) The reaction cannot possibly release energy.
b) The reaction destroys energy.
c) The reaction does not involve energy.
d) The reaction releases energy.

What REASONING explains why increasing temperature generally increases the rate of a chemical reaction?
a) It causes the particles of the reactants to move faster and collide more often.
b) It increases the amount of reactant.
c) It decreases the size of the reactant particles.
d) It increases the space between reactant particles so they have more room to move apart.

A burning candle is an example of a chemical reaction taking place. What can be inferred about this reaction?
a) The reaction releases energy.
b) There are reactants but no products.
c) The reaction absorbs energy.
d) Mass is not conserved.

Which of these is EVIDENCE of a reaction that absorbs energy?
a) a candle burning
b) a piece of wood smoldering
c) a cake baking
d) a firework exploding

What is your CLAIM about what can happen when energy is transferred from one system to another?
a) The energy changes form.
b) The energy changes into mass.
c) Some energy is destroyed.
d) New energy is created.

Which of these is EVIDENCE of a chemical reaction that releases energy?
a) melting ice cubes
b) burning wood
c) photosynthesis
d) boiling water

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 59019 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links