Question 1

If you bake cupcakes as directed for a cake, the cupcakes will be

Accepted Answer

A) over-baked. 
B) under-baked. 
C) properly baked. 
A) over-baked. 
B) under-baked. 
C) properly baked.

Question 2

The weight of a 1-centimer cubed metal cube scaled up by a factor of 10 will be

Accepted Answer

A) ten times as much. 
B) a hundred times as much. 
C) a thousand times as much. 
D) none of the above 
A) ten times as much. 
B) a hundred times as much. 
C) a thousand times as much. 
D) none of the above

Question 3

When a load is placed on a properly arched structure, compression

Accepted Answer

A) weakens the structure. 
B) strengthens the structure. 
C) neither of these 
A) weakens the structure. 
B) strengthens the structure. 
C) neither of these

Question 4

A solid glass ball weighs 1 N. One with twice the diameter weighs

Accepted Answer

A) 1 N. 
B) 2 N. 
C) 3 N. 
D) 4 N. 
E) more than 4 N. 
A) 1 N. 
B) 2 N. 
C) 3 N. 
D) 4 N. 
E) more than 4 N.

Question 5

Lillian sees a chair at the Exploratorium that has been scaled up by three. In attempting to lift it, she finds the chair is

Accepted Answer

A) three times as heavy. 
B) six times as heavy. 
C) nine times as heavy. 
D) more than nine times as heavy. 
A) three times as heavy. 
B) six times as heavy. 
C) nine times as heavy. 
D) more than nine times as heavy.

Question 6

Which is the greater amount for medication measured by mass?

Accepted Answer

A) 1 gram 
B) 1000 milligrams 
C) both the same 
A) 1 gram 
B) 1000 milligrams 
C) both the same

Question 7

If the volume of an object were doubled while its mass remained the same, its density would

Accepted Answer

A) be half. 
B) double. 
C) stay the same. 
D) be four times as great. 
A) be half. 
B) double. 
C) stay the same. 
D) be four times as great.

Question 8

When a load is placed on the middle of a horizontal beam supported at each end, the bottom part of the beam undergoes

Accepted Answer

A) tension. 
B) compression. 
C) either of these 
D) none of these 
A) tension. 
B) compression. 
C) either of these 
D) none of these

Question 9

Compared to the volume of a kilogram of feathers, the volume of a kilogram of lead is

Accepted Answer

A) less. 
B) more. 
C) the same. 
A) less. 
B) more. 
C) the same.

Question 10

Compared to a 50-kg person, a 100-kg person at the beach requires

Accepted Answer

A) twice as much suntan lotion. 
B) the same amount of suntan lotion. 
C) less than twice as much suntan lotion. 
A) twice as much suntan lotion. 
B) the same amount of suntan lotion. 
C) less than twice as much suntan lotion.

Question 11

Eight little spheres of mercury coalesce to form a single sphere. Compared to the combined surface areas of the eight little spheres, the surface area of the big sphere is

Accepted Answer

A) one eighth. 
B) one quarter. 
C) one half. 
D) the same. 
E) double. 
A) one eighth. 
B) one quarter. 
C) one half. 
D) the same. 
E) double.

Question 12

A metal block has a mass of 5 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density of

Accepted Answer

A) 2.5 g/cm3. 
B) 5 g/cm3. 
C) 10 g/cm3. 
A) 2.5 g/cm3. 
B) 5 g/cm3. 
C) 10 g/cm3.

Question 13

An elephant radiates less heat for its size than smaller animals because

Accepted Answer

A) its radiating area is small compared to its volume. 
B) its radiating area is large compared to its volume. 
C) it is taller than smaller animals. 
D) it weighs more than smaller animals. 
A) its radiating area is small compared to its volume. 
B) its radiating area is large compared to its volume. 
C) it is taller than smaller animals. 
D) it weighs more than smaller animals.

Question 14

Doubling the thickness (diameter)of a rope will multiply its strength by

Accepted Answer

A) 1/2. 
B) 1. 
C) 2. 
D) 3. 
E) 4. 
A) 1/2. 
B) 1. 
C) 2. 
D) 3. 
E) 4.

Question 15

The Gateway Arch in St. Louis, Missouri, is a

Accepted Answer

A) parabola. 
B) hyberbola. 
C) catenary. 
A) parabola. 
B) hyberbola. 
C) catenary.

Question 16

To make taffy apples, a candymaker buys 100 kg of large apples rather than 100 kg of small apples. That means she will need

Accepted Answer

A) less taffy. 
B) more taffy. 
C) the same amount of taffy. 
A) less taffy. 
B) more taffy. 
C) the same amount of taffy.

Question 17

The larger a turkey cooked in a conventional oven at a given temperature, the

Accepted Answer

A) more time per pound is needed. 
B) less time per pound is needed. 
C) the same time per pound is needed. 
A) more time per pound is needed. 
B) less time per pound is needed. 
C) the same time per pound is needed.

Question 18

Compared to the density of a kilogram of feathers, the density of a kilogram of lead is

Accepted Answer

A) less. 
B) more. 
C) the same. 
A) less. 
B) more. 
C) the same.

Question 19

Which geometrical shape has the least surface area for a given volume?

Accepted Answer

A) cube 
B) pyramid 
C) cylinder 
D) sphere 
E) none of the above 
A) cube 
B) pyramid 
C) cylinder 
D) sphere 
E) none of the above

Question 20

Eight little spheres of mercury coalesce to form a single sphere. Compared to the combined surface areas of the eight little spheres, the surface area of the big sphere is

Accepted Answer

A) less. 
B) the same. 
C) greater. 
A) less. 
B) the same. 
C) greater.

Exam 12: Solids

If you bake cupcakes as directed for a cake, the cupcakes will be

The weight of a 1-centimer cubed metal cube scaled up by a factor of 10 will be

When a load is placed on a properly arched structure, compression

A solid glass ball weighs 1 N. One with twice the diameter weighs

Lillian sees a chair at the Exploratorium that has been scaled up by three. In attempting to lift it, she finds the chair is

Which is the greater amount for medication measured by mass?

If the volume of an object were doubled while its mass remained the same, its density would

When a load is placed on the middle of a horizontal beam supported at each end, the bottom part of the beam undergoes

Compared to the volume of a kilogram of feathers, the volume of a kilogram of lead is

Compared to a 50-kg person, a 100-kg person at the beach requires

Eight little spheres of mercury coalesce to form a single sphere. Compared to the combined surface areas of the eight little spheres, the surface area of the big sphere is

A metal block has a mass of 5 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density of

An elephant radiates less heat for its size than smaller animals because

Doubling the thickness (diameter)of a rope will multiply its strength by

The Gateway Arch in St. Louis, Missouri, is a

To make taffy apples, a candymaker buys 100 kg of large apples rather than 100 kg of small apples. That means she will need

The larger a turkey cooked in a conventional oven at a given temperature, the

Compared to the density of a kilogram of feathers, the density of a kilogram of lead is

Which geometrical shape has the least surface area for a given volume?

Eight little spheres of mercury coalesce to form a single sphere. Compared to the combined surface areas of the eight little spheres, the surface area of the big sphere is

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