Science Review 10/6

What is the effect of an electric field surrounding every charged object.

• Electrons move from one object to another.

• Electric force is applied to other charged objects.

• An unbalanced charge forms on the object.

• A flash of light, called lightning, occurs.

Tags

NGSS.MS-PS2-5

What is the effect of two negatively charged objects coming near each other.

• The objects repel each other.

• The objects attract each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the effect of one negatively charged object and one positively charged object coming close to each other.

• The objects repel each other.

• The objects attract each other.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following can move from one atom to another?

• protons

• neutrons

• electrons

• the nucleus

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Tags

NGSS.MS-PS2-3

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

Which of the following is caused by static electricity?

• a stove getting hot when it is turned on
• a magnet being attracted to a refrigerator
• a lightning strike during a storm
• a light bulb coming on when a switch is turned on

Tags

NGSS.MS-PS2-3

What is static electricity caused by?

• A balance of power

• A balance of positive and negative charges

• An imbalance of positive and negative charges

• An imbalance of protons and neutrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An object becomes postiively charged when which of the following occurs?

• loses electrons
• gains electrons
• loses protons
• gains neutrons

Tags

NGSS.MS-PS2-3