MOY Most Missed Questions

Which of the following types of food are homogeneous mixtures? Select FOUR answers.

• E. Plain chocolate bar

• B. Mayonnaise

• G. Tea

• A. Bowl of cereal

• F. Salt

Which of the following types of food are NOT an homogeneous mixtures? Select ONE answers.

• B. Mayonnaise

• E. Plain chocolate bar

• F. Salt

• G. Tea

• A. Bowl of cereal

Look at the diagram. A worker pushes a large box across the smooth floor of a warehouse. Choose the answers that describe the changes to the scenario that would affect forces B and C. Select THREE answers.

• Objects are added to the box to make it much heavier.

• The worker is replaced with someone stronger.

• The worker pushes the box over an uneven or rough floor.

• Objects are removed from the box to make it much lighter.

Tags

NGSS.MS-PS2-2

A spring is stretched and then released as shown in the diagram. Which statement accurately describes changes in its potential or kinetic energy during this process?

• its kinetic energy decreases throughout the entire process

• its kinetic energy is constant throughout the entire process

• its potential energy decreases until step Y and then increases

• its potential energy increases until step Y and then decreases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS3-2

A chemist mixtures iron filings and sulfur powder and places a magnet near the mixture. The magnet pulls the iron and separates it from the sulfur. Which statement better explains what happens in the picture?

• The properties of a mixture are different from the properties of its parts.

• The substances of a mixture are chemically bonded.

• The substances of a mixture can be seen at a glance.

• The substances of a mixture preserve their own properties.

Drag and drop the correct answer choice to each answer blank. The forces modeled in the diagram below are ________. The magnitude of the net force is ________ and it is acting in a(n) ________ direction.

(a)  

Korbin subjected four different substances to four different actions. The table describes some changes that occurred to the different substances. Which substances described above most likely experienced a chemical change?

• W and X

• W and Y

• X and Z

• Y and Z

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This question has two parts. First, answer Part A. Then answer Part B. Part A: Which energy transformation occurs when the switch is closed?

• mechanical → electrical → light

• light → electrical

• chemical → electrical → light

• mechanical → thermal

Which statement best supports your answer to Part A?

• After the switch is manually closed, electrical energy travels through the closed circuit and turns on the light.

• The light energy from the bulb travels through the circuit and gets stored in the battery as electrical energy.

• Chemical energy stored in the battery converts into electrical energy and then travels through the circuit and lights up the bulb.

• When the switch is manually closed, the light bulb automatically turns on and radiates thermal energy.

Tags

NGSS.MS-PS3-5

Which 3 represent a sign that a chemical change is occurring?

• Precipitate

• Drastic Temperature Change

• Color Change

• Bubbles/ gas released

Tags

NGSS.MS-PS1-2