Someone pleas help :( 2. Scientific models are always built to scale, and are fully functional representations of the product they are testing.

a. True
b. False

3. An explanation of things or events based on knowledge gained from many observations and investigations is called a scientific theory.

a. True
b. False

4. Standard measurement units, such as gallons and pounds are part of the International System of Units.

a. True
b. False

5. A standard provides an accepted and understood value for a base unit.

a. True
b. False

6. You would use the formula V = l · w · h to calculate the volume of a brick.

a. True
b. False

7. A measurement for density, g/cm3, is a derived unit.

a. True
b. False

8. Mass is the measurement of the quantity of matter in an object.

a. True
b. False

9. Absolute zero is 0 degrees Fahrenheit which is equal to 273 degrees below the freezing point of water on the Celsius scale.

a. True
b. False

10. The average temperature of the human body is about 98.6° on the Fahrenheit scale.

a. True
b. False

11. When a scientist is trying to show how the relationship between two variables changes over time, the best type of graph to use would be a circle graph.

a. True
b. False

12. One way in which people indirectly show their support for the development of technology is by voting for governmental leaders who agree with their personal values.

a. True
b. False