AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022Lab: Kinetic Energy

Lab: Kinetic Energy — Unit test Answers

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1
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While on vacation in Guadalajara, you are shopping downtown and notice the following sign hanging in a store window.What type of store is this?

Question illustration
A
clothing store
B
candy store
C
jewelry store
D
show store
2
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A hardware store has a big sale on paint. During the sale, the demand for paintbrushes, paint rollers, and painter’s tape sharply increases. Which factor explains this rise in demand?

A
substitute goods
B
complementary goods
C
competition
D
price
3

Which shirt would most likely be the most expensive?

A
a mass-produced cotton shirt
B
one shirt signed by a famous rapper
C
one shirt out of two-thousand concert T-shirts
D
a mass-produced silk shirt
4

What is the typical annual inflation rate?

A
1–4 percent
B
4–8 percent
C
8–12 percent
D
12–16 percent
5

Miguel Alvarez owns a horse ranch. He trains horse for rodeos and for work on cattle ranches. As a rancher, he uses different factors of production.

A
the pasture where the horses graze
B
the saddles he buys to train his horses
C
the wind energy he generates on his ranch
D
the ranch hands he hires to train his horses
6

Which example shows why producers cannot always control the number of goods they supply?

A
Company A decides to offer a wider range of skateboards, so it increases production and raises some prices.
B
Company B decides to increase production of its new product and raises the price because the product is selling so well.
C
Company C is having trouble hiring enough workers to keep its production lines operating at the normal level.
D
Company D would like to introduce a new product, so it conducts research to determine the best price and the quantities to produce.
7

Review the graphic organizer.

Question illustration
A
traditional economy
B
command economy
C
market economy
D
mixed-market economy
8

Which best describes scarcity?

A
the idea that resources, wants, and needs are all unlimited
B
the idea that resources should fulfill unlimited needs and wants
C
the idea that land, labor, and capital are limited
D
the idea that land, labor, and capital are unlimited
9

The Summerville city council has money in its budget that it needs to spend now. The council is debating whether to use these limited funds to build a new park or repair several streets in the oldest section of town. The resources for both projects are available and will cost the city about the same amount of money.

A
why people’s needs and wants are unlimited
B
how scarcity might affect future projects
C
the townspeople’s needs and wants
D
how it will produce each project
10

Rubber is a raw material used to manufacture tires. Several US tire companies import rubber from South America. Rubber comes from trees that grow in tropical areas. During this year’s hurricane season, several strong storms damaged many South American forests. As a result, there is less rubber available than in previous years.

A
The price of tires will decrease due to the cost of rubber going up.
B
The price of tires will decrease due to the cost of rubber going down.
C
The price of tires will increase due to the cost of rubber going up.
D
The price of tires will increase due to the cost of rubber going down.
11

Which economic system is most likely to have a single communist political party?

A
traditional economy
B
market economy
C
command economy
D
mixed-market economy
12

Why is bartering not used globally on a large scale to meet the needs of people and populations?

A
It would require the value of goods and services to be standardized.
B
It can be used only during times of crisis.
C
It has been replaced by time banks as a way to exchange goods and services.
D
It requires too many different kinds of coins and paper money.
13

What is one way that citizens can influence the economy through the democratic process?

A
support the local economy by shopping at neighborhood stores
B
strengthen the domestic economy by buying US-made goods
C
vote for representatives who share their views on the economy
D
limit purchasing goods that benefit a foreign country’s economy
14

Review the graph.

Question illustration
A
a supply curve
B
a supply schedule
C
a demand curve
D
a demand schedule
15

What is the cause of demand-pull inflation?

A
Prices rise due to high consumer interest.
B
Prices rise after production costs increase.
C
Prices rise due to a drop in product supply.
D
Prices rise in response to a cost-of-living increase.

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