The wires connecting the battery and the lightbulb create a closed circuit. What would happen if one of these wires were cut?
F The battery would lose its charge.
G The glass would crack.
H The light would go out.
J The wire would become hot
100
On the prairie the herbivores would compete most for —
A oxygen
B space
C grass
D soil
100
Which expression could be used to solve the problem below?
To cater a luncheon, a hotel charges $50 per hour for use of a dining room plus $24.50 per person. What is the total cost for a 2-hour luncheon for 45 people?
F 2 x 50 + 24.50 + 45
G 2 x 50 + 24.50 x 45
H 2 x 24.50 + 50 x 45
J 2 x 45 + 50 x 24.50
100
Mrs. Cotera wants to estimate the monthly operating expenses for the car she just bought, not including maintenance and repairs. Insurance will cost about $200 per month, and Mrs. Cotera expects to drive an average of 225 miles per week. What additional information does she need to estimate her monthly operating expenses?
A The cost of fuel and the one-way distance to work
B The cost of fuel and the number of miles per gallon her car gets
C The cost of fuel and her weekly take-home pay
D The number of gallons of fuel needed per week
100
Pilar spends a total of 60 hours per week at school and at her job. She attends school from 8:45 A.M. until 3:45 P.M., Monday through Friday. Which equation can be used to find t, the maximum number of hours Pilar works at her job each week?
A t = 60 – (5 x 7)
B t = 60 – (5 x 8)
C t = 60 – 7 + 7 + 7 + 7 + 7
D t = 5 x 7 – 60
200
A student wants to find out which type of soil holds the most water. He uses four identical pots with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the same amount of water. How can he find out how much water stays in the soil in each pot?
A By planting seeds and measuring plant growth in each pot
B By measuring the amount of water that drains from each pot
C By observing which soil looks wettest after the water has been added to the pots
D By feeling the soil before and after adding water to each pot
200
The prairie is ideal for the growth of grasses because it has rich topsoil. All of these processes help form topsoil EXCEPT --
F decay of trees
G weathering of rocks
H erosion of hills
J movement of oceans
200
Conner’s parents asked him to save 2/5 of his allowance each week to help pay for summer camp. What percent of his allowance did Conner’s parents ask him to save?
A 25%
B 35%
C 40%
D 60%
200
If angle T and angle U are supplementary and the measure of angle T is 70°, what is the measure of angle U?
A 110°
B 70°
C 20°
D 10°
200
In which data set are the mean, median, mode, and range all the same number?
A {1, 2, 3, 3, 2, 1, 2}
B {1, 2, 3, 1, 2, 3, 1}
C {1, 3, 3, 3, 2, 3, 1}
D {2, 2, 1, 2, 3, 2, 3}
300
Some salamanders have a sticky tongue and a wide mouth lined with teeth. These animals most likely feed on —
F insects and other tiny animals
G leaves and other plant structures
H algae and other microorganisms
J dead and decaying materials
300
Which two planets are closest to Earth?
A Mercury and Saturn
B Mars and Jupiter
C Mercury and Venus
D Venus and Mars
300
Susan has 3 siblings: Ted, Kathy, and Jake. Susan is older than Jake. Ted is younger than both his sisters but older than his brother. What information is needed to determine the order of the siblings from oldest to youngest?
F Is Kathy older or younger than Ted?
G Is Jake older or younger than Susan?
H Is Susan older or younger than Kathy?
J Is Ted older or younger than Jake?
300
Kira drew a circle with a radius of 20 inches and another circle with a radius of 10 inches. What is the approximate difference between the areas of the 2 circles?
F 300 in.²
G 314 in.²
H 942 in.²
J 1,256 in.²
300
Which of the following has 2 parallel bases that are not polygons?
A Cone
B Prism
C Pyramid
D Cylinder
400
Which part of a jackrabbit most helps it escape predators?
F Long legs
G Thick fur
H Short tail
J Small head
400
Light traveling though a pair of eyeglasses is —
F refracted
G transmitted
H absorbed
J reflected
400
Which of the following CANNOT be used to find the perimeter of a square with side length s?
F s + s + s + s
G 2s + 2s
H 4s
J s x s
400
Which problem situation matches the equation below?
15x = 120
F Chang collected 120 foreign postage stamps last year. He gave 15% of them to his friends. What is x, the number of stamps Chang did not give away?
G Cece exercised 120 minutes each day for 15 days last month. What is x, the number of hours Cece exercised last month?
H Demetria drove a total of 120 miles this week. She drove 15 miles more this week than she drove last week. What is x, the number of miles Demetria drove last week?
J Adam charges $15 per hour for labor to repair lawn mowers. What is x, the number of hours Adam worked if he charged $120 for labor?
400
What is the value of the expression (3 + 3)² ÷ 6 – 2 × 4?
F –18
G –2
H 0
J 16
500
Which of the following would be safe to do during a lab activity?
A Running in the classroom
B Leaving a water spill on the floor
C Touching hot surfaces
D Following lab rules
500
Plants can survive in a clear, closed container without animals. Animals cannot survive in a closed container without plants. Why can't animals survive in a closed container without plants?
F Plants and animals need water to survive.
G Plants produce oxygen, which animals need.
H Plants take in and give off water; animals only take in water.
J Plants are stationary; most animals roam freely.
500
Which expression can be used to find the maximum number of 0.2-meter lengths of rope that can be cut from a 6.5-meter length of rope?
F 0.2 ÷ 6.5
G 0.2 + 6.5
H 6.5 ÷ 0.2
J 6.5 x 0.2
500
If the corresponding angles of 2 polygons are congruent and the lengths of the corresponding sides of the polygons are proportional, the polygons are —
F regular
G congruent
H symmetric
J similar
500
The safest way to dilute concentrated sulfuric acid is to add —
A a series of small volumes of water to the acid while stirring
B the acid to water slowly while stirring constantly
C the acid to a small volume of water and then add more water
D dilute sulfuric acid to a small volume of the concentrated acid