Matter & Measurement

The tool used to measure the mass of a substance or object is a ______________.

• balance
• graduated cylinder
• ruler
• thermometer

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Which box has a higher density?  

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

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Calculate the density of the cube.

• 2 g/cm³
• 4 g/cm³
• 6 g/cm³
• 8 g/cm³

In the water displacement method for finding volume

•  You subtract the final volume from the initial volume
• You subtract the initial volume from the final volume
• You add the initial and final volumes
• You divide the final volume by 2 

Density is a characteristic property of a substance. This means that the density of water 

• Changes depending on the volume 
• Stays the same regardless of the volume
• Is greater for a greater mass of water
• Is less for a smaller mass of water 

An object should float in a liquid if it is 

• Denser than the liquid 
• Less dense than the liquid
• Lighter than metal
•  Shaped like a ball 

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-4