Forces & Energy
Using Energy
Our Dynamic Earth
Reduce the Impact
Organisms & Information Processing
100
_________ is transformed or transferred; it cannot be made or destroyed.
energy
100
For a flashlight to turn on, chemical energy from the batteries changes to electrical energy that flows to the lightbulb. The lightbulb changes electrical energy into light energy. What is this an example of?
A. energy transformation
B. energy exchange
C. energy being created
D. energy being destroyed
A. energy transformation
100
Plateaus, valleys, canyons, and mountains are all examples of Blank______.
A. highlands
B. mantle areas
C. landforms
D. hydrosphere
C. landforms
100
What steps should a student take to design a solution to a problem?
A. improve, communicate, plan, investigate, ask
B. test, plan, investigate, improve, ask
C. ask, investigate, plan, tests, improve
D. ask, investigate, communicate, improve, plan
C. ask, investigate, plan, tests, improve
100
Which is an adaptation used by this plant to survive in a hot, dry environment?
A. thick stems to hold water
B. deep roots to soak up the rain
C. flat surface that faces the sun
D. white thorns to attract animals
A. thick stems to hold water
200
Which is not an example of a collision causing energy transfer and change in motion?
A. bat strikes a baseball
B. catcher catches a baseball
C. baseball hits the ground
D. baseball flies through the air
D. baseball flies through the air
200
Identify the statement that correctly explains what happens when energy transfers in a system.
A. About 75% of the energy is transferred, while the rest is destroyed.
B. All of the energy is transferred in different amounts to different forms.
C. Half of the energy is transferred in different amounts to different forms.
D. Some of the energy gets transferred, while a portion is lost along the way.
B. All of the energy is transferred in different amounts to different forms.
200
Fossil evidence provides scientists with information about Blank______.
A. how an environment has changed over time.
B. rocks and minerals.
C. where earthquakes occur.
D. how mountains form.
A. how an environment has changed over time.
200
A group of students is trying to build an earthquake-resistant tower on a table using pipe cleaners, paper clips, toothpicks, clay, and tape. When the table is shaken, the tower stays standing but slides around the table.
Which of the following suggestions would improve the tower? Select three.
A. Add more toothpicks to the sides for greater support.
B. Tape the bottom of the tower to the table.
C. Fold pipe cleaners to widen the base of the tower.
D. Use the pointy ends of the paper clips on the tower to grip the table.
E. Use clay on the bottom of the tower to increase friction between the tower and the table.
F. Use additional toothpicks to add height to the tower.
G. Wrap the tower in pipe cleaners to cushion the movement.
B. Tape the bottom of the tower to the table.
D. Use the pointy ends of the paper clips on the tower to grip the table.
E. Use clay on the bottom of the tower to increase friction between the tower and the table.
200
Which are internal structures of an animal? Select all that apply.
A. brain
B. beak
C. heart
D. teeth
A. brain
C. heart
300
During a collision, some energy can be transferred into Blank______ or sound.
Multiple choice question.
A. force
B. heat
C. electricity
D. conservation
B. heat
300
A _______ transfers heat easily.
A. conductor
B. insulator
A. conductor
300
Which happens during physical weathering?
A. It snows.
B. Rocks are chemically changed into limestone.
C. The size and the shape of rocks are changed.
D. Rust is created from the combination of water and air.
C. The size and the shape of rocks are changed.
300
Which best describes how people can prepare for earthquakes?
A. People can use seismographs to predict earthquakes.
B. There is no way to prepare for earthquakes.
C. People can build earthquake-safe buildings in earthquake zones.
D. People can use technology to stop earthquakes.
C. People can build earthquake-safe buildings in earthquake zones.
300
Something in the environment that causes a living thing to respond is a ________.
A. response
B. sensory organ
C. stimulus
D. mommy
C. stimulus
400
The collision of two marbles can cause the _____ of both marbles to change.
A. friction
B. speed
C. direction
C. direction
400
Astronauts in space cannot talk to each other unless they use a radio to speak back and forth. Why is this?
A. The air is too thick to carry sound waves efficiently.
B. The force of gravity is too strong to allow sound waves to travel.
C. There is no air in space, so there is no medium to carry sound waves.
D. It is very loud in space, so they can only hear each other through a radio.
C. There is no air in space, so there is no medium to carry sound waves.
400
What do topographic maps show? Select two.
A. a variety of landforms, from mountain ranges to deep ocean trenches
B. the names of cities and states
C. the plate boundaries between oceans and continents
D. the locations of earthquakes and volcanoes
A. a variety of landforms, from mountain ranges to deep ocean trenches
C. the plate boundaries between oceans and continents
400
If you are indoors during an earthquake, you can seek safety________.
A. in the bath tub.
B. near a window
C. in the doorway.
D. under a table.
D. under a table.
400
Nocturnal animals can see better at night because their _______. is dilated and allows more light to reach the back of the eye.
A. pupil
B. retina
C. cornea
D. iris
A. pupil
500
Suppose you are riding a bike. As you increase speed, your __________.
A. energy of motion increases
B. energy of motion decreases
C. stored energy increases
D. energy is used up
A. energy of motion
500
A flow of electrical charges is known as Blank______.
A. resistance
B. electrical current
C. static electricity
D. voltage
B. electrical current
500
How can you determine the amplitude of the wave pattern shown below?
A. Measure the length of each peak.
B. Count the number of peaks.
C. Measure the length of the entire wave.
D. Measure the height of the waves.
D. Measure the height of the waves.
500
Our natural resources are divided into two groups. What are the two groups called?
renewable and nonrenewable
500
Computers use ______ code to transmit information.
A. Morse code
B. QR code
C. Binary code
D. Bar code
C. Binary code