Science Challenge

What is the metric unit for measuring length?

• second

• meter

• inch

• kilogram

Convert 500 grams to kilograms.

• 50

• 5

• 0.05

• 0.5

What is the formula for calculating density?

• Density = Mass / Volume

• Density = Volume / Mass.

• Density = Mass * Volume.

• Density = Mass + Volume.

What is the SI unit for temperature?

• Kelvin

• Meters

• Celsius

• Fahrenheit

What is the purpose of a safety shower in a laboratory?

• To provide drinking water for laboratory personnel.

• To wash laboratory equipment.

• To cool down the temperature in the laboratory.

• To rinse off chemicals or hazardous substances

What should you do if you spill a chemical on your skin?

• Rub the affected area with a towel to remove the chemical.

• Ignore the spill and continue with your work.

• Rinse the affected area with plenty of water for at least 15 minutes and seek medical attention if necessary.

• Apply a bandage and wait for the chemical to evaporate.

What is the correct way to handle broken glassware in a lab?

• Leave it on the lab bench for someone else to handle.

• Throw it in the sink and run water over it.

• Dispose of it in the regular trash bin.

• Notify the lab supervisor or safety officer and follow their instructions.

What is the purpose of a fume hood in a laboratory?

• To provide additional lighting in the laboratory.

• To store chemicals and equipment.

• To protect the user from harmful fumes, gases, or vapors.

• To regulate the temperature in the laboratory.

What is the first step you should take in case of a fire in a lab?

• Evacuate the building immediately.

• Attempt to extinguish the fire yourself.

• Call 911.

• Activate the fire alarm

What is water displacement used for in science experiments?

• To determine the temperature of liquids.

• To calculate the density of gases.

• To analyze the pH level of solutions.

• To measure the volume of irregularly shaped objects.