Mstep Science 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-ETS1-3

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A student made a list of activities that involve energy. Which activities on the list are examples of the use of electrical energy?

• Activities 1, 4, and 6

• Activities 2, 5, and 6

• Activities 2 and 3

• Activities 3 and 5

The picture below shows the sun over the ocean. What does this picture demonstrate about the behavior of light?

• the water reflected the light from the Sun

• the water absorbed the light from the Sun

• The water refracted the light from the Sun

• light does not travel in straight lines

Tags

NGSS.MS-PS4-2

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

An old-fashioned metal toy is shown below. When the candle is lit, the carousel of horses begins to turn. Which of these is the source of energy that makes the carousel turn?

• Thermal energy

• Electrical energy

• Mechanical energy

• Sound energy

What is condensation?

• The temperature at which a liquid becomes a solid

• Gas changing to a liquid as it is cooled

• The temperature at which a solid becomes a liquid

• Liquid changing to a gas as it is heated

Tags

NGSS.MS-PS1-4

What is a 'Molecule' as defined in the learning material?

• The process of heat leaving an object changing it from a liquid to a solid

• The smallest unit of a substance that still has all of its properties

• A change in size, shape or state of matter with no new matter being made

• How hard or soft an object is when squeezed

Tags

NGSS.MS-PS1-1

What characterizes 'Gas Molecules'?

• Molecules that are close together, but can still move past each other

• Tightly packed Molecules that do not move around much

• Molecules that are spread apart and can move around freely

• The smallest unit of a substance that still has all of its properties

Tags

NGSS.MS-PS1-4

What is a 'Physical Change'?

• A change in which something new is created

• The space an object takes up

• A change in size, shape or state of matter with no new matter being made

• How hard or soft an object is when squeezed

What does 'Solubility' refer to according to the learning material?

• The space an object takes up

• How hard or soft an object is when squeezed

• How easily something dissolves in a liquid

• The liquid a solute dissolves into