Physical Science Review

Which picture represent the distribution of particles in a liquid?

• A
• B
• C
• All

Which image represent an element? 

• X
• Y
• Z
• W

Which image represent compound? 

• X
• W
• Y
• Y and Z

Which image represent a mixture? 

• X
• Y
• Z
• W

When chocolate melts it is a ...

• Chemical change
• Physical change

When you toast your bread for too long and some of it burns. The burnt part is a 

• Chemical change
• Physical change

Which rays on the electromagnetic spectrum has the highest  frequency?

• Radio waves
• Gamma-Rays
• X-Rays
• UV waves

Which waves from  the electromagnetic spectrum can be used to predict the weather?

• Radio-waves
• Microwaves
• Visible light
• Infrared rays

Which atomic particle has negative electrical charge?

• Electron
• Proton
• Neutron

The atomic mass of Carbon is

• 12.011
• 6
• 18.011