Unit 1 Review_Chemistry

What is this science tool?

• jar
• beaker
• thermometer
• ruler

This piece of lab equipment is called a _______________.

• beaker
• spring scale
• graduated cylinder
• thermometer

What is measured with a graduated cylinder?

• Passage of time
• Distance from one thing to another
• Weight of an object
• Volume of liquid

Which item measures more precisely?

• test tube

• beaker

• graduated cylinder

• A spoon

The density of an object is used to determine if an object will float or sink?

• True

• False

The density of an object can be determined by....

• dividing the mass by it's volume (D=m/v)

• dividing the volume by it's mass (D=v/m)

• multiplying the volume by it's mass (D=V x m)

• multiplying the mass by it's volume (D=m x V)

Oil is less dense than water therefore it....

• floats on top of the water

• sinks to the bottom

Grams is the base unit for....

• Mass

• Length

• Temperature

• Time

• Volume

What is 78.5 rounded to one significant figure?

• 79

• 78.5

• 70

• 80

• 78

Round 509.96 to 4 significant figures

• 509.9

• 509.0

• 510.0

• 510