Non Fiction Review

Four small metal cylinders were filled with boiling water and placed into different containers. Which container was the best insulator?

• Container 1

• Container 2

• Container 3

• Container 4

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A student designed the circuit below. Which switches should the student close to produce ight energy only?

• Switch 1 and Switch 3

• Switch 1, Switch 2, and Switch 3

• Switch 1 and Switch 4

• Switch 2, Switch 3, and Switch 4

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

A student is investigating how mixtures can be separated. Which of the following combinations will be easiest to separate with a magnet?

• Salt and sand

• Sand and iron nails

• Aluminum cans and sand

• Salt and aluminum cans

Tags

NGSS.MS-PS2-5

A person will see a flash of lightening before they hear the roar of thunder because-

• Light travels faster through the atmosphere than sound.

• Sound travels faster through the atmosphere than sound.

• The eye is quicker than the ear.

• The thunder occurs much later than the lightening.

What is an ecosystem?

• A single species and its environment

• A community of living organisms and their physical environment

• A collection of planets and stars

• A type of animal habitat

Answer explanation

An ecosystem is a community of living organisms and their physical environment, highlighting the correct choice.

What role do decomposers play in an ecosystem?

• They produce oxygen through photosynthesis

• They consume living plants and animals

• They break down dead organisms and recycle nutrients

• They regulate the temperature of the ecosystem

Answer explanation

Decomposers play a crucial role in an ecosystem by breaking down dead organisms and recycling nutrients back into the environment.

Tags

NGSS.MS-LS2-3

A student plans to investigate how sound changes when 4 bottles with different amounts of liquid are struck with a mallet. In which order must the bottles be placed so that the sound changes from a low pitch to a high pitch?

• A,B,D,C

• B,A,D,C

• B,C,A,D

• C,D,B,A

What type of erosion causes landslides

• wind

• waves

• water

• gravity

What is electric discharge?

• The sudden and brief flow of protons

• The sudden and brief flow of neutrons

• Atoms crashing

• The sudden and brief flow of electrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which movement of Earth causes day and night?

• rotation

• revolution

Tags

NGSS.MS-ESS1-1