Tools of a Scientist

What is the volume of the fluid in the image?

• 400 ml
• 40 ml
• 43 ml
• 4.3 ml

what is the mass of the rock shown in the image?

• 354.6 g
• 350.46 g
• 35.46 g
• 463.5 6

What is the length of the pencil in the image?

• 75 cm
• 7.5 cm
• 750 cm
• 0.75 cm

Which of the following is not proper procedure when reading volume of a fluid in a graduated cylinder? 

• keeping the graduated cylinder on a level surface
• bringing their eye down to the fluid level
• reading the volume from the bottom of the minscus
• Using the largest graduated cylinder you can find

You have a graduated cylinder that contains 50 ml of water. You place a sea shell in the graduated cylinder and the water rises to 65 ml. What is the volume of the seashell?

• 15 ml
• 150 ml
• 115 ml
• 25 ml

What are the weights that move across the beams of the triple beam balance called?

• riders
• scale
• sliders
• gravity

You need to measure out 75 ml of water. Which graduated cylinder should you use?

• 50 ml graduated cylinder 
• 100 ml graduated cylinder 
• 150 ml graduated cylinder 
• 250 ml graduated cylinder 

When using a metric ruler, the first thing you should check before recording your distance is...

• that the object is lined up at the zero mark
• that the ruler is flat on a table
• the air temperature is between 6 and 40 degrees Celsius
• all people in your group have their own ruler

Before placing an object on the pan of the triple beam balance, make sure...

• it is zeroed out
• all riders are pushed the the right hand side of the beams
• the object your measuring is as cold as possible
• that are no other people in the room

In the diagram, what is the volume of the rock?

• 12 cm³

• 10 cm³

• 8 cm³

• 15 cm³