6th Grade Review Question Preview (ID: 46519)


Physical And Chemical Changes And Endo/exothermic Reactions. TEACHERS: click here for quick copy question ID numbers.

The BEST way to know a chemical change occurred
a) color change
b) bubble form
c) no reaction occurs
d) a new substance forms

chemical changes form
a) changes of state
b) new substances
c) old substances
d)

water turning to steam is a
a) physical change
b) chemical change
c)
d)

forming new bonds means a _____________change has occurred
a) physical
b) chemical
c)
d)

all changes of state are
a) chemical
b) physical
c)
d)

breaking chemical bonds means a ____________ change has occurred
a) physical changes
b) chemical changes
c)
d)

an example of a chemical change
a) chewing food
b) rust
c) slicing an apple
d) melting ice

an example of a physical change is
a) burning wood
b) cooking an egg
c) cracking a glowstick
d) crushing a coke can

cutting paper is an example of a
a) physical change
b) chemical change
c)
d)

bending metal is an example of
a) chemical change
b) physical change
c)
d)

some energy released as heat
a) exothermic
b) endothermic
c)
d)

some energy is released as light
a) exothermic
b) endothermic
c)
d)

energy released is greater than energy needed to break bonds
a) endothermic
b) exothermic
c)
d)

more energy needed to break bonds of reactants than is released
a) endothermic
b) exothermic
c)
d)

leaves surroundings feeling cold
a) exothermic reaction
b) endothermic reaction
c)
d)

Need a continuous energy source
a) endothermic reaction
b) exothermic reaction
c)
d)

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: 46519 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register