A scientist weighed three laboratory samples and recorded the data below. a) Calculate the total weight by adding the weights of the samples. b) Record the calculated value using standard notation.  Sample 1: 0.00261 gramsSample 2: 0.00362 gramsSample 3: 0.00080 grams

Convert 218.4 g to kg

Luke recently moved to a new apartment and wants to grow houseplants but isn’t sure which room will be the best fit for them. Apply your knowledge of the scientific method to recommend a strategy for Luke to follow when determining the ideal location for houseplants in his new apartment.  Which of these steps would be classified as Data Analysis?

Which is the correct way to handle this lab safety hazard: A drink is sitting on the lab bench next to a computer.    

Which is the correct way to handle this lab safety hazard: A scientist is directly smelling a chemical from an Erlenmeyer flask.    

While heating two different samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C

Describe three sources for SDS related to chemicals provided in Science Interactive lab kits.  Finding the SDS on the science interactive website.  Searching “Safety Data Sheet” and the name of the chemical on the Internet.  Requesting more information from your instructor.   

Why is scientific notation often used when recording experimental measurements?

Recall the Lab Safety assignment that you completed last week.  Which of these were listed as correct substitutions for First Aid Kit in your chemistry lab area?

What are the properties that distinguish Metalloids on the Periodic Table from other types of elements?