Final Exam Science 2025

If you increase the mass you decrease the force of gravity on the object. True or False

• true

• false

Tags

NGSS.MS-PS2-4

Forces equal is size and opposite directions are______?

• balanced

• unbalanced

The measure of the force of gravity on an object is the objects______?

• inertia

• weight

• mass

Tags

NGSS.MS-PS2-4

What is a chemical symbol?

• a sign that tells the scientist how safe it is

• a picture representation of an atomic number

• shorthand notation that represents the name of he element

The nucleus of an atom consists of ___?

• protons and neutrons

• electrons and neutrons

• protons and electrons

Tags

NGSS.MS-PS1-1

What charge does a proton have?

• no charge

• negative

• positive

• neutral

What charge does a neutron have?

• neutral

• positive

• negative

What charge does an electron have?

• positive

• neutral

• negative

Tags

NGSS.MS-PS2-3

The atomic mass number is the number of ____?

• protons and electrons

• electrons and neutrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

What model shows electrons moving around a central nucleus in well defined orbits?

• Electron cloud model

• Dot Diagram Model

• Bohr Model

Tags

NGSS.MS-PS1-1