Enrichment

If two balloons have the same charge, what will happen if you place them close to each other?

• Nothing
• They will be attracted
• They will pop
• They will push each other away.

What is the name of the particle that is being transferred?

• Proton
• Neutron
• Electron
• Positron

The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.

• True
• False

What causes static electricity?

• only an object losing electrons
• only an object gaining electrons
• when positive and negative charges balance
• when positive and negative charges are not balanced

When an object gains electrons it becomes __________

• Neutral

• Positively charged

• Negatively charged

An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________

• positively charged because it has excess electrons

• negatively charged because it has excess electrons

• positively charged because it has a deficiency of electrons

• negatively charged because it has a deficiency of electrons

After a balloon is rubbed against wool, the two objects will ________ each other because they have ___________ charges

• attract; like

• attract, opposite

• repel; like

• repel; opposite

What is the name of the particle that is being transferred?

• Proton
• Neutron
• Electron
• Positron

2 - 2 x 2 + 2

• 0

• 2

• 4

• 6

Same charges _____ each other

• repel

• attract