BCA: 6th Grade: Science: Electric and Magnetic Forces

Positive and negative charges begin with the ____?

• Neutron

• Atom

• Proton

• Photon

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electrons have a ____ charge?

• positive (+)

• negative (-)

If the number of protons an electrons is the same, the atom has ​ (a)   or is ​ (b)  

• positive
• charged
• no charge
• neutral.

Atoms tend to gain and lose ______ easily?

• electrons
• photons
• neutrons
• protons

When atoms gain electrons it will have a _____ charge?

• positive
• neutral
• zero
• negative

When atoms lose electrons it will have _____ charge?

• Negative
• Neutral
• Zero
• Positive

Charged atoms are called _____?

• Neutrons
• Molecules
• Protons
• Ions

Tags

NGSS.MS-PS2-5

Atoms that are positive, will be attracted and _____ to an atoms with a negative charge?

Hint: (opposites attract)

• bond

• repelled
• ignored
• neutralized

Tags

NGSS.MS-PS2-3

Magnetic forces are the ________ and ________ forces between two poles?

• visible, invisible
• strong, weak
• attractive, repulsive
• positive, negative

Tags

NGSS.MS-PS2-3

Electric forces occur when _____ create attractive and repulsive forces?

• Gravity
• ions

• Friction
• Magnetic fields

Tags

NGSS.MS-PS2-3