Fall Semester Exam

Abbreviations used to represent elements on the Periodic Table of Elements

• Atom
• Element
• Molecule
• Compound
• Chemical Symbol

Pure substances that are made of only one type of atom.

• Atom
• Element
• Molecule
• Chemical Symbol

Which of the following is a compound?

• Hg
• Na₂

• Cl₂
• NaCl₂

Tags

NGSS.MS-PS1-1

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

A car travels at a speed of 70 km/h for 4 hours. What distance does it travel?

• 100 km
• 17.5 km

• 280 km

• 250 km

Define conduction

• Transfer of heat through fluid movement
• Transfer of heat through electromagnetic waves
• Transfer of heat through direct contact
• Transfer of heat through empty space

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A group of atoms held together by chemical bonds, can be of the same element or different elements.

• Atom
• Element
• Molecule
• Compound
• Chemical Symbol

Tags

NGSS.MS-PS1-1

Define radiation

• Transfer of heat through fluids
• Transfer of heat through direct contact
• Transfer of heat through electromagnetic waves
• Transfer of heat through sound waves

Tags

NGSS.MS-PS4-2

If a train travels 600 kilometers in 5 hours, what is its speed?

• 100 km/h

• 120 km/h

• 300 km/h

• 180 km/h

What is thermal equilibrium?

• When substances reach different temperatures
• When substances reach the same temperature with no net energy transfer
• When substances have no kinetic energy
• When substances are at absolute zero temperature