Physics Unit 1 Test

The ability of the tool or person to make an exact measurement is called (a)   .

• Precision
• Matter
• Energy
• Physics
• Accuracy

The study of matter, energy, and how they interact in nature is called (a)   .

• Physics
• Matter
• Energy
• Accuracy
• Precision

Match the following terms with their correct definitions.

• The degree to which repeated measurements under unchanged conditions show the same results.

• Energy

• The branch of science concerned with the nature and properties of matter and energy.

• Physics

• How close you were to the desired result and your ability to repeat it.

• Precision

• The ability to do work or cause change.

• Accuracy

• Anything that has mass and occupies space.

• Matter

The numbers taken from a measuring device plus one additional estimated value are called (a)   .

• Significant Digits
• Matter
• Energy
• Physics
• Accuracy

Match the following scientific terms with their correct definitions.

• The study of matter, energy, and the interactions between them.

• Precision

• Anything that has mass and takes up space.

• Physics

• The ability to cause change, produce heat, or do work.

• Accuracy

• How close a measured value is to the true value.

• Energy

• How close repeated measurements are to each other.

• Matter

Match the following units with their correct classification in the SI system.

• SI derived unit for force

• Seconds

• SI base unit for electric current

• Ampere

• SI base unit for amount of substance

• Kelvin

• SI base unit for temperature

• Newton

• SI base unit for time

• Mole

2.3 km = _?_ mm

450 mm = _?_ m

0.00024 Gg = _?_ kg

1.3E6 cg = _?_ ng (answer must be in scientific notation)