WORKSHEET

Which of the following situations is evidence of chemical change? 

• Boiling water produces steam
• Adding vinegar to baking soda makes foaming bubbles
• Sharpening a pencil
• Cutting paper

Iron's ability to rust when exposed to air is a 

• Chemical Property 
• Physical Property 
• Both A and B
• None of the above 

A Gas has:

• a definite shape but not a definite volume

• a definite shape and a definite volume

• a definite volume but not a definite shape

• Neither a definite shape nor a definite volume

________ conductivity is how well an electrical current can move through a substance.

• Electrical

• Thermal

• Physical

• Chemical

The rate at which a substance transfers heat.

• Electrical conductivity

• Thermal conductivity

• Malleability

• Melting point

• Boiling point

The ability of one substance to dissolve when put into another substance.

• Physical property

• Chemical property

• Melting point

• Solubility

• Malleability

The temperature at which a substance boils.

• Melting point

• Boiling point

• Thermal conductivity

• Electrical conductivity

VELCRO PLANT IS

• 
• 
• 

THE PET OF GEORGE WAS A

THE INVENTOR WAS

• ISAAC NEWTON

• DONALD TRUMP

• GEORGE DE MESTRAL

• ALBERT EINSTEIN