Show:
Matter, Atoms and Molecules
Chemical Reactions
Metal, NonMetals and Metalloids
Random
100

The positively charged particle

A proton

100

Is chopping wood a chemical or physical change?

Physical change

100

What is one characteristic of Metals?

  • Good conductors of heat and electricity

  • Shiny.

  • Ductile (can be stretched into thin wires)

  • Malleable (can be pounded into thin sheets)

  • A chemical property of metal is its reaction with water which results in corrosion.



100

What is the ultimate source of the energy in our universe?

The Sun


200

Arrange from largest to smallest: Proton, Electron, Neutron  

Neutron, Proton, Electron 


200

Is burning wood a chemical or physical change? 

chemical change 


200

What are two characteristics of Non-Metals?

  • Poor conductors of heat and electricity

  • Not ductile or malleable

  • Brittle and break easily

  • Dull

  • Many non-metals are gases.

200

how many meters are 4.5km?

4500m in 4.5km


300

How do you calculate Atomic Mass?

protons + neutrons

300

What is the difference between a chemical change and a physical change?

physical changes do not impact the atomic/chemical makeup up of a substance whereas chemical changes do. Chemical changes how the atoms and molecules of a substance are arranged. 

300

True or False: Mercury is a metal?

True 

300

What is the difference between weather and climate? 

Weather is the short-term/day-to-day state of the atmosphere. Climate is the state of the atmosphere over longer period of time


400

What does the Atomic Mass - Atomic Number equal?

the # of neutrons

400

What common gas is required for a combustion reaction?

Oxygen (O2)

400

True or False: Carbon is a metal?


False 


400

On Earth, What is the acceleration due to gravity?

9.8 m/s2

500

Is peanut butter a solid or a liquid?

*depends on explanation


can be considered a soft solid or a harder liquid, depending on temperature, brand, container etc.   

500

Balance the following equation : __ KClO3  → __ KCl + __O2 

2 KClO3  → 2 KCl + 3 O2

500

Name 2 Metalloids 

Boron, germanium, silicon, antimony, arsenic, tellurium and pollanium

500

Define : doppler effect

an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other