Unit 0: Review On Level

Which of the following is the SI unit for mass?

• Gram

• Kilogram

• Pound

• Ounce

What is the correct scientific notation for the number 0.00056?

Which SI unit is used to measure temperature?

• Celsius

• Fahrenheit

• Kelvin

• Joule

What is the main purpose of wearing safety goggles in the laboratory?

• To look stylish

• To protect your eyes from chemicals and debris

• To see better

• To avoid getting your glasses dirty

Which piece of lab equipment is best for measuring the volume of a liquid accurately? (Most precise)

• Beaker

• Erlenmeyer flask

• Graduated cylinder

• Test tube

Convert 250 cm to meters using the correct conversion factor.

• 0.025 m

• 2.5 m

• 25 m

• 0.25 m

What is the scientific notation for 7,200,000?

Which of the following is a correct safety protocol when heating substances in a test tube?

• Point the open end toward yourself

• Point the open end toward others

• Point the open end away from yourself and others

• Hold the test tube with your bare hands

How many milliliters are in 2.5 liters?

• 250 mL

• 2,500 mL

• 25,000 mL

• 0.025 mL

What is the value of the prefix "kilo-" in the SI system?