7th Grade Physics Diagnostic

What is the SI unit for mass?

• Kilogram

• Meter

• Liter

• Newton

Density can be calculated using the formula:

• Mass divided by area

• Mass times volume

• Mass divided by volume

• Volume divided by mass

A block has a mass of 24 grams and a volume of 8 cubic centimeters. What is its density?

• 16 g/cm³

• 3 g/cm³

• 32 g/cm³

• 0.33 g/cm³

Which property describes how much matter is in an object?

• Weight

• Volume

• Mass

• Density

The volume of a liquid is commonly measured in:

• Grams

• Meters

• Milliliters

• Kilograms

If an object floats in water, what can you say about its density?

• It's equal to water's density

• It's less than water's density

• It's greater than water's density

• You can't determine its density

What happens to density when mass increases but volume stays the same?

• Density stays the same

• Density increases

• Density decreases

• Density becomes zero

A cube has sides of 3 cm. What is its volume?

• 9 cm³

• 27 cm³

• 6 cm³

• 12 cm³

Which tool is best for measuring the volume of an irregular solid?

• Balance

• Ruler

• Graduated cylinder

• Thermometer

If density = 2 g/cm³ and volume = 5 cm³, what is the mass?

• 2.5 g

• 7 g

• 10 g

• 0.4 g