What is the basic structural and functional unit of all living organisms?

• tissue

• molecule

• cell

• organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which process do plants use to convert sunlight into energy?

• Photosynthesis

• Solarization

• Sun absorption

• Chlorophyll

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the path that an electric current follows called?

• electric path

• current loop

• circuit

• wireway

What are the three main layers of the Earth?

• mantle, inner core, atmosphere

• crust, core, atmosphere

• crust, mantle, core

• lithosphere, asthenosphere, outer core

Name one example of a simple machine.

• lever

• pulley

• screw

• wheel

How does sound travel through a medium?

• Sound travels through a medium by changing colors

• Sound travels through a medium by emitting light waves

• Sound travels through a medium by creating vibrations in the particles of the medium.

• Sound travels through a medium by generating heat

Tags

NGSS.MS-PS4-2

What is the powerhouse of the cell?

• Ribosomes

• Mitochondria

• Nucleus

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-7

What gas do plants take in during photosynthesis?

• Carbon dioxide

• Hydrogen

• Nitrogen

• Oxygen

Tags

NGSS.MS-LS1-6

In a series circuit, what happens if one bulb goes out?

• All bulbs will go out.

• The bulb will repair itself

• The other bulbs will get brighter

• The circuit will short-circuit

Which layer of the Earth is the thickest?

• crust

• outer core

• mantle

• core