12/2 ECM Exit Ticket

What is the definition of an element?

• A pure substance that cannot be broken down into any simpler substances by chemical methods.

• A substance made up of two or more elements chemically joined together.

• Two or more substances which are not joined together chemically.

• A substance that dissolves in a solvent.

Which is the following is a compound?

• Nitrogen

• Carbon dioxide

• Aluminium

• Sodium

Tags

NGSS.MS-PS1-1

Which of the following is NOT a factor for the rate of dissolving?

• Temperature

• Rate of Stirring

• Surface Area of Solid

• Colour of Solid

What is NOT a method to speed up the dissolving of sugar solution?

• Stir faster with a spoon

• Heat up the sugar solution

• Add in bigger pieces of sugar

• Add in smaller pieces of sugar

• Element
• Compound
• Mixture

Tags

NGSS.MS-PS1-1

• Element
• Compound
• Mixture

Tags

NGSS.MS-PS1-1

• Element
• Compound
• Mixture

Tags

NGSS.MS-PS1-1

Which of the following is not a homogeneous mixture?

• Coffee

• Hydrogen peroxide

• Trail mix

• Paint

How are mixtures formed?

• Chemically combined

• Physically mixed

• Both chemically and physically combined

• None of the above