Review, YAY REVIEW!!!!

Question 1 What is volume?

The amount of space an object takes up. Answer 1- 1 point The amount of space an object takes up.

The amount of matter that an object consists of is called its….? Question 2 The amount of matter that an object consists of is called its….?

Answer 2- 1 point Mass

What is the basic unit we use for the mass of an object? Question 3 What is the basic unit we use for the mass of an object?

Answer 3- 1 point Grams or g

How tightly packed the molecules are in a substance is called…..? Question 4 How tightly packed the molecules are in a substance is called…..?

Answer 4- 1 point Density

The unit we use for the volume of an object is….? Question 5 The unit we use for the volume of an object is….?

Answer 5- 1 point mL or cm3

The units we use to describe an objects density are …..? Question 6 The units we use to describe an objects density are …..?

Answer 6- 1 point _g_ or _g_ cm3 mL

Question 7 The sides of a tissue box are measured using a ruler and found to be 3 cm, 5cm, and 10 cm. What is the volume of the tissue box? Show all work.

Answer 7 - 4 points V= l x w x h V= 3cm x 5cm x 10 cm V= 150.0

Question 8 The sides of a box are measured using a ruler and found to be 15 cm, 2cm, and 1 cm. What is the volume of the box? Show all work.

Answer 8 - 4 points V= l x w x h V= 15cm x 2cm x 1 cm V= 30.0

Question 9 The sides of a cube are 2 cm, 9cm and 1 cm. What is the volume of the cube? Show all work.

Answer 9 - 4 points V= l x w x h V= 2cm x 9cm x 1 cm V= 18.0

Question 10 What is the density of an object with a volume of 207 cm3 and a mass of 273 g?

Answer 10 - 4 points D= M V D= 273 g 207cm3 D= 1.3 D= 1.3 g cm3

Question 11 Lily wants to know the density of her titanium action figures. She uses her TBB to find out that the mass of the figure is 34.7 g. She measures the volume and finds its 3.9cm3. What is the density of her action figure?

Answer 11 - 4 points D= M V D= 34.7 g 3.9cm3 D= 8.9 D= 8.9 g cm3

Question 12 Marshall wants to know the density of water. He measures out 50 mL of water and finds that its mass is 50 g. Find the density of water. Show all work.

Answer 12 - 4 points D= M V D= 50 g 50 mL D= 1.0 D= 1.0 g mL

What instrument do we use to measure an object’s mass? Question 13 What instrument do we use to measure an object’s mass?

The triple beam balance or TBB. Answer 13 - 1 point The triple beam balance or TBB.

What instrument do we use to measure the volume of a liquid? Question 14 What instrument do we use to measure the volume of a liquid?

Answer 14 - 1 point A graduated cylinder

What instrument do we use to measure the volume of a regular solid? Question 15 What instrument do we use to measure the volume of a regular solid?

Answer 15 - 1 point A ruler

What technique do we use to measure the volume of an irregular solid? Question 16 What technique do we use to measure the volume of an irregular solid?

Answer 16 - 1 point Water displacement

What is the first thing we do when using a TBB? Question 17 What is the first thing we do when using a TBB?

Answer 17 - 1 point Zero the balance

Question 18 The density of a brick is 8.4 g/mL, what is the density of the brick if Ted cuts it in half?

Answer 18 - 1 point 8.4 _g_ mL

Question 19 What is the volume of a metal cube with a length of 12 cm, an width of 9 cm, and a height of 38 cm?

Answer 19 - 4 points V= lxwxh V= 12cm x 9cm x 38 cm V= 4104.0

Question 20 What is the density of a block of wood with a mass of 204.8 g and a volume of 326 cm3?

Answer 20- 4 points D= M V D= 204 g 326cm3 D= 0.6 D= 0.6 g cm3

Question 21 What is the density of a 927 mL sample of molasses? The mass of the sample is 1,092g.

Answer 21- 4 points D= M V D= 1,092g 927 mL D= 1.2 D= 1.2 g mL

Question 22 The density of a brick is 9.4 g/cm3. What is the density of half of that brick?

Answer 22- 4 points D= 9.4 g/cm3