Which one does NOT describe an element?

• One capital letter

• 2 or more combined

• Pure substance

• Found on the periodic table of elements

Which one is a chemical change?

• Freezing water on a lake

• Folding laundry

• Baking cupcakes

• Slicing an apple

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The opposite of a conductor is called a/an

• insulator

• incubator

• solid

• malleable

Tags

NGSS.MS-PS2-3

What is the formula for finding density?

In a density lab, Charlie finds that the mass of an object is 60grams and the volume of an object is 15 cm3. What is the density of the object?

• 25 g/cm3

• 0.25 g/cm3

• 6 g/cm3

• 4 g/cm3

A mystery substance is colorless, in a gaseous state, and has a low melting point. Which is the best descriptor?

• Metal

• Magnetic

• Non-metal

• Metalloid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student is using Silicon for a lab. What is NOT a good way to describe Silicon?

• Semi-Conductor

• Metalloid

• Solid at room temperature

• Non-metal

What is the volume of the object placed in the graduated cylinder?

• 10 mL

• 5 mL

• 6 mL

• 3 mL

What is the mass of the rock?

• 211 grams

• 121 grams

• 120 grams

• 101 grams

What is a good question to ask to determine if something is a metal?

• Does it float?

• Is it a solid?

• Is it malleable?

• What is it's density?