Unit 2 Quiz 1

True/False: Does this picture show a mixture?

• True

• False

You combined iron filings with sand to create a mixture. How can you separate the iron filings from the sand?

• Stir the mixture into hot water to dissolve the sand.

• Strain the mixture through a paper filter to collect the sand.

• Drag a magnet through the mixture to attract the iron filings.

• Shake the mixture to cause the iron filings to settle to the bottom.

Tags

NGSS.MS-PS1-2

True/False: Solids usually become more soluble as temperature increases.

• True

• False

Tags

NGSS.MS-PS1-4

Which of the following is not a physical property of matter?

• Name

• Odor

• Luster

• Texture

Which of the following is a mixture?

• Carbon

• Glucose

• Water

• Air

Salt, juice, and water are examples of matter because they -

• form the basic needs for human survival

• have mass and take up space

• are found in abundant quantities in our environment

• are common items in daily life

The physical property that means a material can be bent into different shapes or rolled into thin sheets is...

• ductile

• tactile

• metallic

• malleable

A glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statements best explains the increase in water level?

• The volume of the submerged ice is equal to the volume of water displaced.

• The mass of the water in the glass is less than the mass of the ice.

Tags

NGSS.MS-PS1-2

Which of the following is a physical property of the coin?

• It has a reddish-brown color.

• It has a value of one cent.

• It is made in the United States.

• It has writing on it.

Shaila wants to calculate the density of wood. First, she places the wood on a triple beam balance; its mass is 63.85 g. Then, she fills a graduated cylinder with 50.0 mL of water. She places the wood in the graduated cylinder with the water and notes that the water level rises to 125.0 mL. Calculate the density of the wood.

Density = Mass / Volume.

• 0.36 g/mL

• 0.51 g/mL

• 0.85 g/mL

• 1.28 g/mL