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- 1. Multiple Choice
Marisol wants to model the arrangement of particles that make up an ice cube and the particles that make up liquid water. She dings the diagrams below in a library book.
What is the best way for her to use these diagrams to model the particles of an ice cube and water?
Use diagram A to model the ice cube and diagram B to model the water.
Use diagram A to model the ice cube and diagram C to model the water.
Use diagram B to model the ice cube and diagram A to model the water.
Use diagram B to model the ice cube and diagram C to model the water.
- 2. Multiple Choice
Which of these is always true of a compound?
It is a solid material.
It has more than one kind of atom.
It melts when you heat it over a burner.
It is part of a mixture of different substances.
- 3. Multiple Choice
What are three properties of a substance that you can determine just by looking at it?
color
size
shape
weight
- 4. Multiple Choice
Potassium chloride is a compound that is very soluble in water. What will happen to the particles of potassium chloride if a spoonful of potassium chloride is stirred into a beaker of water?
The particles of potassium chloride will spread _______________ through the water to form a solution.
evenly
unevenly
- 5. Multiple Choice
What happens when molecules of water as you heat the water in a pan?
The molecules expand.
The molecules move faster.
The molecules move closer together.
The molecules break apart into separate atoms.
- 6. Multiple Choice
These cylinders are tools used to measure substances. What property of the liquids do they measure?
color
mass
reflectivity
volume
- 7. Multiple Choice
Alan has two samples of matter as shown in the picture.
Which statement is a measurement of what is shown in the picture?
Sample X is a different color than sample Y.
Sample X and sample Y are liquids.
Sample X fills more of the container than sample Y.
Sample Y has a volume of 50 milliliters.
- 8. Multiple Choice
Alan has two samples of matter as shown in the picture.
Alan plans to draw models to show the state of matter of each sample. He will do this by drawing how the particles are arranged in each sample.
Is it possible to use only the models to identify which sample is X and which is Y?
No, because the samples are both made of the same elements.
No, because the samples are both liquids.
Yes, because the samples are different colors.
- 9. Multiple Choice
Kate is observing properties of matter. Which three properties can she observe using her senses?
hardness
color
mass
texture
- 10. Multiple Choice
Sam wants to draw a model to show that the particles of matter are too small to be seen. Which would best help him to show this concept?
Sam should model the temperature of a sugar mixture.
Sam should model the mass of a sugar cube.
Sam should model the height, width, and length of a block of ice.
Sam should model the elements that make up water.
- 11. Fill in the Blank
Carbon dioxide is a gas found in the air. Simone uses foam balls and pencils to model carbon dioxide.
The different colors of the foam balls are meant to show that the balls represent different elements, so the model shows that carbon dioxide is a ______________.
- 12. Multiple Choice
Carbon dioxide is a gas found in the air. Simone uses foam balls and pencils to model carbon dioxide.
How can Simone’s model be changed to show a different kind of matter?
Use rubber balls instead of foam balls.
Connect the foam balls using shorter pencils.
Connect another black foam ball to the model.
Use larger foam balls.
- 13. Multiple Choice
Carbon dioxide is a gas found in the air. Simone uses foam balls and pencils to model carbon dioxide.
Simone plans to create a different model to show the state of matter of carbon dioxide gas.
Select the model that Simone should create.
- 14. Multiple Choice
Petra has a container of water. Based on what she knows about particles in matter, she draws a model of the water particles before her investigation and after her investigation. Petra’s model is shown below.
What did Petra most likely do in her investigation?
She stirred the water.
She heated the water.
She took the lid off the container of water.
She poured the water into a larger container.
- 15. Multiple Choice
A group of students carries out an investigation. They observe and measure different properties of matter. Their data for four samples of matter are shown in the table.
Which sample is most likely sand?
W
X
Y
Z
- 16. Multiple Choice
A group of students carries out an investigation. They observe and measure different properties of matter. Their data for four samples of matter are shown in the table.
Next, the group places one of the samples in a beaker of 100 milliliters of water and stirs the contents. After 10 minutes, they notice that there is a solid left in the beaker. Which sample did they place in the beaker?
W
X
Y
Z
- 17. Multiple Choice
Which two statements describe samples that could possibly be the same kind of matter?
Sample F is soluble in water and sample H is not.
Sample Q has a mass of 2 grams, and sample R has a mass of 3 grams.
Sample T conducts electricity and sample S does not.
Sample G is in a solid state and sample M is not.
- 18. Multiple Choice
Santosh is investigating a property of matter. He connects a lightbulb to a battery using different materials. He tests copper wire, string, and aluminum wire and observes how well the lightbulb works.
Which property of matter is Santosh most likely investigating?
conductivity
solubility
color
texture
- 19. Multiple Choice
Engineers designed the tool in the picture for cooking. They used materials with different properties for the design.
Select the area of the tool where the engineers most likely used a material that does not conduct heat very well.
- 20. Multiple Choice
The table shows properties of three different compounds.
Which conclusion is supported by the information in the table?
Compound X is more soluble than the other two compounds.
Compound Z is a better conductor than the other two compounds.
Compounds X and Y are made of the same elements.
Compounds X, Y, and Z are made of different elements.
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