8th Grade Physical Science SOL Review Questions

Match the following symbols with their meanings:

• Corrosive substances

• Corrosive bottle

• Toxic or poisonous substances

• Exclamation mark

• Flammable substances

• Skull and crossbones

• General warning

• Flame

The state of matter that has definite shape and volume is (a)  

• Solid
• Liquid
• Gas
• Plasma

Tags

NGSS.MS-PS1-4

Which state has no definite shape but has definite volume?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter has no definite shape or volume?

• Solid

• Liquid

• Gas

• Plasma

The highest energy state of matter is:

• Solid

• Liquid

• Gas

• Plasma

The solid sphere model of the atom was developed by:

• J.J. Thomson

• John Dalton

• Ernest Rutherford

• Niels Bohr

The electron was discovered by:

• Isaac Newton

• J.J. Thomson

• Albert Einstein

• Niels Bohr

The 'plum pudding' model describes which atomic model?

• Bohr model

• Rutherford model

• Thomson model

• Dalton model

The nucleus was discovered by:

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

• James Chadwick

Electrons were proposed to orbit in fixed paths by:

• J.J. Thomson

• Niels Bohr

• Ernest Rutherford

• James Chadwick