Concord Inv 3 Quiz Review

What is an example of the Continuous Model of matter?

• Materials are made of small particles.

• Particles eventually cannot be broken down any more.

• Materials have the same properties throughout, no matter how small it gets.

• Particles can be become different than the larger pieces,

Which of the following correctly describes the Particle Model of matter?

• Materials have the same properties throughout.

• Materials are made of small particles that group together.

• Materials, when broken down, look and act like the larger pieces.

• Materials cannot be broken down.

When we mixed water and ethanol in Activity 3.2, the observed volume was _______________than what we calculated (expected).

• more

• less

• 5 times more

• 5 times less

What did we figure out was the cause of the observed results with the water and ethanol?

• The continuous model of matter best explains our results.

• The particles are the same size throughout and could be combined to make less matter.

• There are spaces between the particles that allow the smaller ones to squeeze into.

• Some of the ethanol evaporated out of the graduated cylinder.

Are both liquids and gases considered to be matter?

• No, they do not have both mass and volume

• Yes, they both have mass and volume.

• No, they both have mass but not volume.

• Yes, they both have volume but not mass.

Why were we able to compress the air that was in the syringe during Activity 3.3?

• The open syringe had more mass than the closed syringe

• There was space in between the air particles so we were able to push them closer together

• The open syringe had less mass than the closed syringe

• There was space in between the air particles so they were able to move around more

Based on all the evidence in Investigation 3, which of the following is an accurate conclusion?

• Liquids are considered matter but not gases

• The continuous model of matter works best to explain what we observed

• All materials are made of particles

• Gases are considered matter only when compressed

After Mr. Capanda created a vacuum with the syringe, which best explains what happened?

• When cap removed, air inside rushed out to the surrounding air.

• When cap removed, air outside rushed into the syringe.

• When the cap was put on, the syringe filled with air.

• When the cap was put on, there is no air inside the syringe.

Once the cap was taken off the syringe in Activity 3.3, the mass _________________.

• Stayed the same.

• Could not be measured.

• Decreased.

• Increased.