Milestones Review

which organelle gives the plant cell its shape and gives extra support?

• cell wall
• cell membrane
• nucleus
• vacuole

which organelle is the "brain" of the cell?

• nucleus
• cytoplasm
• vacuole
• cell membrane

Tags

NGSS.MS-LS1-2

Which choice describes the behavior of electric charge?

• Like charges attract. Unlike repel.

• Like charges repel. Unlike charges attract.

• Like charges attract. Unlike charges attract.

• Like charges repel. Unlike charges repel.

Tags

NGSS.MS-PS2-3

Which of these is caused by static electricity?

• A Magnet attracts a paper clip.

• Glue holds two peaches of paper together.

• Socks taken from a clothes dryer stick together.

• Ice sticks to a car's windshield.

In order for a circuit to work it must be...

• open

• closed

• round

• square

Mary has a light bulb and several pieces of copper wire. What else does Mary need to be able to convert electrical energy to light energy?

• battery

• switch

• insulator

• buzzer

What subject is attracted to a magnet?

• Silver
• Water
• Metal
• Iron

What is known as an imbalance of electric charges within or on the surface of a material

• Electric Current
• Static Electricity
• Electric Discharge

Which of the following are magnetic poles?

• North and South
• East and West
• Left and Right
• Red and Blue

Tags

NGSS.MS-PS2-3

What do two unlike poles do when they are brought close together?

• Nothing
• Repel
• Attract
• Decrease

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5