Matter
Earth/Space
Ecosystems/Adaptations
Forces/Experimental Design
Land Forms/Fossil Fuels
Energy
100
Students investigated physical properties of nine different substances.
The column headings the students should use for their table.
a.Insoluble in Water, Less Dense than Water, Solids
b. Less Dense than Water, Solids, Poor Thermal Insulators
c. Solids, Soluble in Water, Electrical Conductors
d. Non-magnetic, Soluble in Water, Good Thermal Insulators
d.Non-magnetic, Soluble in Water, Good Thermal Insulators
100
Which phenomenon is caused by the tilt of Earth’s axis during planetary revolution and involves the changing of temperatures and daylight amounts during different parts of the year?
a. Seasonal changes
b. Day/night cycle
c. Solar eclipse
d. Severe weather
A. Seasonal changes
100
Polar bears and arctic wolves both have white fur.
How does white fur help them survive in their environments?
The white fur helps them to blend in with the snow.
100
Why do ice skates glide easily on ice?
A. A low amount of friction slows skate down.
B. A high amount of friction speeds skates up.
C. A high amount of friction slows skates down.
D. A low amount of friction speeds skates up.
D. A low amount of friction speeds skates up.
100
Weathering is the breaking down of rocks. These broken pieces are called sediments, and they can form soil. Which is NOT a way that weathering can occur?
A. A water-filled crack in a rock freezes, causing the rock to split open and break.
B. Roots from a growing tree spread and break apart a nearby rock formation.
C. Wind blows across a rock formation, blowing sediments into the wind as they break off.
D. Pieces of sediment are squeezed together to form a new rock.
D. Pieces of sediment are squeezed together to form a new rock.
100
Some musicians play electric guitars. They strum the strings, and an electric amplifier plays the tune.
The energy transformation occurs to enable an electric guitar to function.
a. Sound to electrical to light
b. Mechanical to electrical to sound
c. Electrical to sound to mechanical
d. Mechanical to electrical
B. Mechanical to electrical to sound
200
The following mixture could be separated most easily using evaporation.
a.Sugar and water b.Sugar and oil
c. Sugar and oil d. Sand, sugar, and salt
A. Sugar and water
200
C
200
Which of the observations involves an organism using an abiotic factor of the ecosystem to help it survive?
Observations 3 and 5
200
Students are conducting an investigation. They pull a spring scale that is attached to a book across a flat table. Then, they pull the spring scale and book down a ramp.
What is their investigation designed to answer?
a. How does surface affect the force needed to pull an object?
b. How does mass affect surface?
c. How does gravity affect the force needed to pull an object?
d. How does mass affect the force needed to move an object?
C. How does gravity affect the force needed to pull an object?
200
Which of the following processes are required for sedimentary rock formation?
Processes 2, 5, and 8: Deposition, Compaction and Cementation
200
Choose the answer that correctly categorizes each behavior of light.
a. 1- reflect 2- refract 3- absorb
b. 1- absorb 2- refract 3- reflect
c. 1- refract 2- absorb 3- reflect
d. 1- absorb 2- reflect 3- refract
B. 1- absorb 2- reflect 3- refract
300
A parent makes a sports drink for their child’s soccer practice by mixing 20 grams of orange sports drink mix into 1 liter of water. The following physical property has NOT been changed after mixing the ingredients.
a. color b. taste c. physical state d. mass
C. physical state
300
Which Moon phase is indicated by the letter X in the diagram?
a. full moon
b. first quarter
c. new moon
d. last quarter
C. New moon
300
A partial desert food web is shown.
If a large number of roadrunners were added to the area, which of the following could occur?
a. Overpopulation of beetles and lizards
b. Extinction of cacti and shrubs
c. Overpopulation of tortoises
d. Decrease of lizards and beetles
D. Decrease of lizards and beetles
300
Students made charts showing examples of forces and their effects.
Which student has ALL of the information in their chart correct?
Student B
300
The correct statement about land form formation.
a. A canyon is formed by the deposition of sediments at the mouth of a river.
b. A canyon is formed by a glacier weathering rock and eroding sediments.
c. A sand dune is formed by wind depositing sediments.
d. A V-shaped valley is formed by wind depositing sediments near a mountain.
C. A sand dune is formed by wind depositing sediments.
300
A lab team constructed a circuit using five different-colored light-emitting diodes (LEDs).
The LEDs that produce light when the switches are in the position shown in the diagram.
a. Blue and orange only
b. Blue, green, and orange only
c. Blue, orange, red, and green only
d. All five colors
B. Blue, green, and orange only
400
A student groups the following materials together.
- copper wire , brick, wood, rubber
Which property of matter did the student MOST LIKELY use to group the materials together?
a. relative density
b. flexibility
c. electrical conductivity
d. physical state
D. physical state
400
A teacher asked students to explain what they see in this picture. Five student explanations are shown below. Which of the students gave a correct response?
Students 1 and 4.
400
Students are investigating changes to the environment. They have categorized some changes as positive or negative to an ecosystem.
Which item on their chart is listed incorrectly?
Deforestation
400
Students conducted an investigation using toy cars. Which is a reasonable result for Car 3?
A. 45 cm
B. 72 cm
C. 24 cm
D. 39 cm
B. 72 cm
400
Students made a chart about ways they can help to conserve resources.
Which choice explains how to fix an error on their chart?
a. ”Keep heater off when not at home” should say “Keep heater on at all times”
b. “Put cardboard in recycling bin” should say “Put cardboard in the trash can”
c. “Use disposable utensils” should say “Use washable utensils”
d. “Take shorter showers” should say “Keep the water running”
C. “Use disposable utensils” should say “Use washable utensils”
400
If the switch were opened, which bulbs would still light?
None
500
A student added 10 grams of sugar to 500 milliliters of water while stirring the water. Which statement BEST describes the sugar and the water after they were mixed?
a. The sugar melted in the water and the water stayed clear
b. The sugar melted in the water and the water turned white
c. The sugar dissolved in the water and the water stayed clear
d. The sugar dissolved in the water and the water turned white
C. The sugar dissolved in the water and the water stayed clear
500
A student made a chart with information about the Sun, Earth, and Moon.
Which item on the chart is incorrect?
Moon - made of cold gas
*Moon is made of rock
500
A group of students makes observations in the Reptile House at the zoo.
Which of the observations do not describe inherited traits of reptiles?
Observations 2 and 4
500
A student pulls a book with a spring scale.
Which of the following is NOT something that the student could do to increase the amount of force needed to move the book?
A. Pulling the book up a ramp
B. Pulling the book across a rougher surface
C. Adding something heavy on top of the book
D. Pulling the book down a ramp
D. Pulling the book down a ramp
500
Students conducted an experiment to determine how well soils drain or retain water.
Which answer choice correctly identifies the soils?
A. Soil A is sand because it retains water. Soil B is clay because it allows water to drain.
B. Soil B is sand because it allows water to drain easily. Soil A is clay because it retains water.
C. Soil A is sand because it allows water to drain easily. Soil B is clay because it retains water.
D. Both soils are the same type because they behave similarly.
C. Soil A is sand because it allows water to drain easily. Soil B is clay because it retains water.
500
A concave lens is a curved, transparent glass that light can pass through. An example is shown.
When light strikes a concave lens, it –
Refracts or bends light.