[ Vocabulary ]
Force exerted by every object in the universe on every other object. The amount of force depends on the masses of the objects and the and the distances between them.
A. Unbalanced Forces
B. Force
C. Balanced Forces
D. Friction
E. Gravity

Random Topics:
Moods of GrammarPossessive Pronouns and QuantifiersPast SimpleNoun Clauses with THATPassive Voice in Past Simple TenseConnectivesTOEICNoun, Quantifiers and SuffixesGrammar and IdiomsReported Speech and Reporting VerbsOther quiz:
Conjunctions › ViewI _____ you after I finish mine.
A. will help
B. help
C. helps
D. am helping
Gerunds and Infinitives › View
Do you remember _______________ your grandparents when you were little?
A. visiting
B. to visit
Prepositions › ViewMy cat loves sitting ……. the kitchen table.
A. In
B. On
C. At
First Conditional, Future Time Clauses › View
What will happen if the parachute …………..?
A. doesn’t open
B. won’t open
C. might not open
