Unit

Convection

• Energy/heat transfer by cycling currents in liquids and gases

• Energy/heat transfer by touch

• Energy/heat transfer by rays or waves

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS3-4

Students conducted an investigation using the equipment shown in the picture above.

Materials used: Safety pin, Marble, Eraser, Paper clip, and a Crayon.

The student in the investigation were most likely testing -

• Conduction of thermal energy

• Conduction of electric energy

• Insulation of thermal energy

• Insulation of electrical energy

Tags

NGSS.MS-PS2-3

Which of the following best explains why orange juice is a liquid and not a solid?

• It has molecules more tightly packed than a solid

• You can not weigh it on a scale

• It has a bright color

• It takes the shape of its container

Which of the following are attracted to magnets?

• Gold

• Tissue paper

• Iron

• Copper

Tags

NGSS.MS-PS2-3

Select the subatomic particle that has a mass of 1 AMU.

Tags

NGSS.MS-PS1-1

This illustration is a/an _____________

• compound

• element

• mixture of elements

• mixture of elements and compounds

Tags

NGSS.MS-PS1-1

The picture above shows two different substance oil and water. Which of the following is more dense?

• Oil

• Water

• Oil and Water

• They are both equal

Tags

NGSS.MS-PS1-2

Rocks sink because they are

• The same density as water

• More dense than water

• Less dense than water

• Because they're round

What is the SI unit of force?

• Newton

• Joule

• Watt

• Pascal

Which unit is used to measure electric current?

• Volt

• Ampere

• Ohm

• Coulomb