Sig Figs, Density, Properties of Matter

Which are chemical changes (select all that apply)?

• Cutting butter

• burning paper

• dissolving salt in water

• freezing CO₂

• Baking cookies

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many significant figures does 10.1 cm have?

• 1
• 2
• 3
• 4

How many significant figures does 0.010 m have?

• 1
• 2
• 3
• 4

What is the volume of Object X?

• 10.0 cm³
• 15.0 cm³
• 20.0 cm³
• 25.0 cm³

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Tags

NGSS.HS-PS1-3

What is the density of a rock if its mass is 36g and its volume is 12.0 cm³? _{(All calculations should have the correct sig figs)}

• 432 g/cm³
• 0.33 g/cm³
• 48 g/cm³
• 3.0 g/cm³

Tags

NGSS.MS-PS1-2

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds

Tags

NGSS.MS-PS1-1

You are eating a pizza. What type of mixture are you consuming?

• homogeneous
• heterogeneous
• pure substance
• The Periodic Table

How many sig. fig. are in the number below:
705000

• 2
• 3
• 5
• 6

What is the volume of Object X?

• 10.0 cm³
• 15.0 cm³
• 20.0 cm³
• 25.0 cm³