FLVS (Florida Virtual School) Pre-test Module 1

Question

1. Answer the following questions about two different colored cubes. A pink cube has one side of 8cm and a mass of 24g. A green cube has one side of 6cm and a mass of 20g. Which one has more matter and a higher mass? *

A. The green cube
B. The pink cube

2. Answer the following questions about two different colored cubes. A pink cube has one side of 8cm and a mass of 24g. A green cube has one side of 6cm and a mass of 20g. Which one has a higher product of its sides? *
3 points
The green cube
The pink cube

3. Two samples of wallpaper, 27 grams and 54 grams, are cut out from a roll. Which of the following properties is different for the two? *
3 points
Amount of matter
Color
Density
Electrical conductivity

4. A student has a laptop cord that is 10-meter-long and made of copper wire having a density of 8.9 grams per cubic centimeters. The student then cuts the cord into 5 equal parts. What is the density of each small part? *
3 points
One-tenth of 8.9 grams per cubic centimeters since density is an intensive property
One-tenth of 8.9 grams per cubic centimeters since density is an extensive property
8.9 grams per cubic centimeters since density is an intensive property
8.9 grams per cubic centimeters since density is an extensive property
19. A student takes 5 gram sample of sulfur powder that has a melting point of 115.2 °C. What is the melting point of a 100-gram sample of sulfur powder? *
3 points
115.2 °C since melting point is an extensive property
Double of 115.2 °C since temperature is an extensive property
115.2 °C since melting point is an intensive property
Double of 115.2 °C since melting point is an intensive property
20. Which substances are likely to float in water? *
3 points
Spoon
Styrofoam cup
Pencil
Scissors
Wood
Glass
21. Object A and Object B have the same boiling points. Are they the same substance? *
3 points
Yes
No
22. Object A and Object B have different melting points. Are they the same substance? *
3 points
Yes
No
23. Object A and Object B have different solubility points. Are they the same substance? *
3 points
Yes
No
24. Object A and Object B have the same volumes but different masses. Are they the same substance? *
3 points
Yes
No

Answer 1

(Continued)
25. The data in the chart below was collected during an experiment. What is the dependent variable? *
3 points
Captionless Image
Your answer
26. The data in the chart above was collected during an experiment. What is the independent variable? *
3 points
Your answer
27. The data in the chart below was collected during an experiment. What is the dependent variable (outcome variable)? *
3 points
Captionless Image
Your answer
28. The data in the chart above was collected during an experiment. What is the independent variable? *
3 points
Captionless Image
Your answer
29. The data in the chart below was collected during an experiment. What is the dependent variable? *
8 points
Captionless Image
Your answer
30. The data in the chart above was collected during an experiment. What is the independent variable? *
8