Unit 3

The smallest unit of an element that maintains the properties of that element

• proton

• atomic mass unit

• electron

• atom

A region around a nucleus of an atom where electrons are likely to be found

• atomic mass

• nucleus

• electron cloud

• neutrons

What property of the wave is represented by the letter "A"?

• Amplitude

• Crest

• Trough

• Wavelength

Tags

NGSS.MS-PS4-1

What do waves carry from place to place?

• Energy, but not matter or particles

• Energy and matter or particles

• Matter or particles not energy

• Neither energy nor matter or particles

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which wave in the diagram has the greatest wavelength?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

_____?_____ materials allow light waves to pass through easily.

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

the distance between a point on one wave and the identical point on the next wave

• wave

• wavelength

• trough

• crest

materials allow some light to partially pass through, but not in a straight path.

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

A frozen object was placed in a cup filled with hot water. The temperature of the hot water and the frozen object was recorded in the table below. Using the table above, which best explains what happened by the end of 4 minutes?

• Heat moved from the hot water to the frozen object until the substances reached the same temperature.

• Heat moved from the frozen object to the hot water until the substances reached the same temperature.

• Heat moved in both directions between the objects.

• Heat did not move between both objects.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A flowing stream contains water at 18°C. Cans of soft drinks at 28°C are lowered into the stream.

Which of the following will most likely occur?

• The soft drink cans will absorb cold energy from the stream’s water.

• The cans will lose heat until their temperatures are the same as the stream’s.

• The temperature of the soft drinks will not change since the cans are sealed

• The temperature of the cans will decrease to freezing as long as the stream is flowing.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5