Bench Mark Review

A student conducts an experiment to learn about the effect of salt concentration on the movement of ocean water. The student places a colored ice cube in a container of freshwater and a container of saltwater (Image A). The ice cubes begin to melt (Image B). The ice cubes are completely melted (Image C).

Which conclusion about salt water concentration is best supported by the experiment?

• Higher salt concentration causes water to rise

• Higher salt concentration causes water to sink

• Fresh water and salt water mix to make ocean water with a lower salt concentration

• Fresh water and salt water mix to make ocean water with a higher salt concentration

What is the source of the energy in the experiment?

• Kinetic energy in the truck

• gravitational potential energy

• thermal energy

• elastic potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

Which statement is best supported by the data in the table?

• When the distance the rubber band was stretched, the speed of the truck doubled

• When the distance the rubber band was stretched, the speed of the truck tripled

• When the distance the rubber band was stretched tripled, the speed of the truck tripled

• When the distance the rubber band was stretched tripled, the speed of the truck increased by three meters per second

Tags

NGSS.MS-PS3-1

At which position is the gravitational potential energy of the ball at its maximum?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS2-4

How will the weather condition likely change in Tennessee as the front passes over the state?

• There will be a rise in air temperature with heavy rainfall.

• There will be a drop in air temperature with heavy rainfall.

• There will be a rise in air temperature with a gentle breeze.

• There will be a drop in air temperature with a gentle breeze.

Tags

NGSS.MS-ESS2-5

Which statement explains why the airplane travels in a curve rather than a straight line?

• Earth is rotating as the airplane is flying

• It is faster to travel in a curve rather than a straight line

• The plane switched the location it was traveling

• The plane travels the same direction as the ocean currents

Tags

NGSS.MS-ESS2-6

A student observes the variation of the two cities. The variation in Wahpeton, ND is very high, but the variation in Miami, FL is moderate. Which statement best explains the variation in temperature between the two cities?

• Wahpeton receives less rain fall

• Miami is near the coast which moderates the temperature year around

• A warm dry air mass influences the weather in Wahpeton

• Cold dry air influences the weather in Miami

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which example shows heat transfer by convection?

• An ice cube melting in the palm of your hand

• A spoon becoming warm when kept in a bowl of warm soup

• A piece of macaroni rising in falling in a pan of bowling water

• A playground slide becoming hot on a sunny day

Tags

NGSS.MS-ESS2-6

Which statement explains a mutualistic relationship?

• Two animals of different species that live in the same ecosystem that help each other survive

• Two different species that compete to survive

• Two different species that live together where one is not affected and the other benefits

• Two different species that live together where one is harmed and the other benefits

Tags

NGSS.MS-LS2-2

Which statement is an example of thermal energy transformation through conduction?

• Boiling water to cook ramen

• Warming hands above a camp fire

• A spoon warming in a hot cup of coffee

• Sand on a beach getting hot from the sun