Question

Which of the following may be considered a hazard in the laboratory?
a. loose-fitting clothing
b. open-toed shoes
c. long hair
d. all of these

Answer 1

D

Answer 2

K hold up i have more questions

Answer 3

Janice's mom is trying to choose a type of model to represent her neighborhood at a meeting. Which of the model types below would work?
a. diorama
b. photograph
c. map
d. all of these

Answer 4

c i gues but not sure

Answer 5

it was d

Answer 6

sorry

Answer 7

tephanie wants to measure the volume of an irregularly shaped object. Which of the following describes the steps that would need to be followed in order to do this?

A. Fill a graduated cylinder halfway with water. Drop the object into the water. Measure the new volume of water. Subtract the initial volume of water from the final volume of water.

B. Measure the mass of the object on a balance. Measure the height of the object using a ruler. Multiply these measurements together to find the volume of the object.

C. Measure the length, width, and height of the object using a ruler. Multiply these measurements together to find the volume of the object.

D. Fill a beaker with water. Measure the initial mass of the beaker. Place the object in the beaker. Subtract the initial mass of the beaker from the final mass of the beaker plus the object.

Answer 8

A