Test Questions Bell Work Flashcards
If the mass increases, the gravitational force _____
Increase
If the distance increase, gravitational force _______
Decreases
you measure weight with ____ ______
Spring scale
Large mass = ____ _____
Large interia
A variable in an experiment _____
Changes
Physical change ____ composition change
Doesn’t
Chemical change _____ composition change
Does
Melting crayon=
Physical change
Compounds have _ or more parts, elements have _ part
2
1
Mixtures ______ original properties
Retain
Water freezing =
Physical change
Mass can’t be created or destroyed in ordinary chemical and physical change
Law of Conversation of Mass
Least mass
_______ clouds
Electrons
Push or pull objects
Gravitational force
Opposite charges
Attract
Like charges
Repel
Dense, positively charged
Nucleus
No charge
Neutrons
Gravitational attraction b/w 2 objects decrease if
The mass decreases
Gravitational attraction b/w 2 objects increase if
Distance decreases
