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- 1. Multiple Choice
Which is the BEST comparison of static electricity and electric current?
Static electricity flows through wires, while electric current jumps across wires
Static elecctricity involves open circuits, while electric current involves closed circuits
Static electricity involves the build-up of electrons in an object, while electric current involves the flow of electrons through wires
Static electricity begins with objects that have a negative charge, while electric current begins with objects that have a positive charge.
- 2. Multiple Choice
Which statement about vertebrates is true?
Vertebrates have skeletons.
Vertebrates live only on land.
Most animals are vertebrates.
Vertebrates do not have backbones.
- 3. Multiple Choice
A student studies algae in a lake. The student records her observations in the table above. Which argument is supported by the student's evidence?
Some microorganisms are harmful to animals
Many animals are beneficial to microorganisms
Some microorganisms are beneficial to animals
microorganisms are too small to affect most animals
- 4. Multiple Choice
A student researches several plants. She then groups them according to their characteristics. (See chart above) Which are MOST LIKELY the names of the plant groups?
ferns, trees
ferns
spore producers, seed producers
flowering plants, coniferous plants
- 5. Multiple Choice
Which statement describes how deposition builds up the surface of a floodplain?
Lava flows from a volcano and piles up
Rainwater seeps into the ground and freezes
A river flows over its banks and slows down
A river slows down as it flows into the ocean
- 6. Multiple Choice
A student carries out an investigation to observe a change of state in water. She records her observations and data in the diagram above. Which argument is supported by the student's observations?
A decrease in temperature makes water change from a liquid to a solid
A decrease in temperature makes water change from a solid to a liquid
An increase in temperature makes water change from a liquid to a solid
An increase in temperature makes water change from a solid to a liquid
- 7. Multiple Choice
A scientist observes a pair of bald eagles as they raise their chicks. The adult eagles fly from the nest to a nearby lake, where they hunt for fish. Which question would the scientist MOST LIKELY ask to determine whether fishing is an instinct or a learned behavior in bald eagles.
Do the eagles eat anything other than fish?
How old are the chicks when they start to fish?
Will the adult eagles show the chicks how to fish?
How is an instinct different from a learned behavior?
- 8. Multiple Choice
A scientist plans to make models of three kinds of cells; oak leaf, squirrel muscle, and fern leaf. Which model(s) will have organelles that contain chlorophyll?
only the fern leaf cell
only the squirrel muscle cell
the fern leaf cell and the oak leaf cell
the oak leaf cell, the squirrel muscle cell, and the fern leaf cell
- 9. Multiple Choice
The leaders of a coastal town want to slow the erosion of a nearby beach. Which technology should they research?
groins
levees
storm drains
beach nourishment
- 10. Multiple Choice
A student carries out an investigation and records his steps and observations in the table above. During which step does the student gather evidence that a chemical change occurs?
step 1
step 2
step 3
step 4
- 11. Multiple Choice
Which statement supports the argument that some microorganisms are helpful?
People use bacteria to make cheese
Many diseases are caused by viruses
Algae live in rivers, lakes, and oceans
Farmers spray their crops with chemicals to prevent the rowth of fungi
- 12. Multiple Choice
The picture shows a landform. Which processes MOST LIKELY formed this landform?
erosion by water
deposition by ice
volcanic eruption
deposition by wind
- 13. Multiple Choice
A chef examines and tastes several ingredients. Then she chops up the ingredients and combines them to make a salad. Which statement BEST describes the chef's actions?
She makes a mixture.
She makes a solution.
She makes a new substance.
She changes a state of matter.
- 14. Multiple Choice
A wolf pup follows its mother, plays with other pups, barks, and hides in a den. Which trait is MOST LIKELY an instinct?
barking
hiding in a den
following its mother
playing with other wolves
- 15. Multiple Choice
A student wants to increase the strength of an electromagnet. Which of these is a way to make the electromagnet stronger?
replacing the iron core with a copper core
replacing the copper wire with plastic wire
wrapping the wire around the iron core fewer times
increasing the electric current flowing through the wire
- 16. Multiple Choice
A student designs and builds the circuit shown in the picture above. Part A. Which part of the circuit converts electrical energy into another form of energy?
wire
switch
battery
lightbulb
- 17. Multiple Choice
A scientist studies volcanic eruptions. Which observation is the BEST evidence to support the argument that volcanic eruptions are constructive processes?
Hot gasses escape from volcanoes.
Lava flows out of volcanoes and piles up.
Plants and animals die during volcanic eruptions.
The top of a volcano blows off during an eruption.
- 18. Multiple Choice
Why are most electrical cords covered with plastic?
Because plastic is cheap
Because plastic is flexible
Because plastic allows the flow of electric current
Because plastic blocks the flow of electric current
- 19. Multiple Choice
The picture shows a student observing part of a living thing. Which claim could the student support with evidence from his observation?
Animal cells and plant cells have different organelles.
A plant cell is too small to be seen without using a microscope.
An animal cell is too small to be seen without using a microscope.
The cell membrane of an animal cell is thinner than the cell membrane of a plant cell.
- 20. Multiple Choice
The diagram shows a student's observations of changes to landforms. Which argument does the student's evidence support?
Moraines form because of constructive processes
Beaches change shape because of weathering by wind
Dunes move because of erosion and deposition by wind
Landforms become lower and more rounded because of weathering by wind
- 21. Multiple Choice
A student draws two plants. How do the plants compare? Select THREE answers.
They are both coniferous plants
They both have stems and leaves
They reproduce in different ways
They get energy in different ways
They both use photosynthesis to make food
- 22. Multiple Choice
Scientists notice that islands form along a coast where ocean currents slow down. Here, sediment settles to the ocean floor. The sediment piles up until it rises above the ocean surface. Which process forms these islands?
erosion
deposition
weathering
volcanic eruption
- 23. Multiple Choice
A scientist observes trees along a coast. The trunks of the trees bend away from the coast. Which is the BEST question the scientist could ask to determine whether the bending of the trees' trunks is an inherited or an acquired physical trait?
How tall are the trees?
Do the trees have flowers or cones?
If young trees are given extra water, do they grow up with bent trunks?
If seeds from the trees are planted away from the coast, do they grow up with bent trunks?
- 24. Multiple Choice
A student mixes salt, pepper, and water. Which two methods can the student use to separate the parts of the mixture?
sifting and flotation
evaporation and sifting
flotation and evaporation
using a fillter and using a magnet
- 25. Multiple Choice
A student develops a model for grouping animals that she observes in a park. Which are MOST LIKELY the names of the animal groups?
fish and reptiles
reptiles and birds
fish and mammals
reptiles and amphibians
- 26. Multiple Choice
Which statement about cytoplasm is true?
Only animal cells have cytoplasm.
Cytoplasm surrounds and protects cells.
Plant cells use cytoplasm to carry out photosynthesis.
Cytoplasm is a liquid that fills the space around a cell's nucleus and other organelles.
- 27. Multiple Choice
Scientists place several seismographs along a mountain chain. Which question will the scientists MOST LIKELY answer with information they collect from the seismographs?
Where do faults occur?
How tall are the mountains?
How can earthquakes be prevented?
Which parts of the mountains are formed by volcanic eruptions?
- 28. Multiple Choice
A teacher mixes sugar and water in a class demonstration. The sugar dissolves in the water. How can the teacher separate the substances in this solution?
by causing the sugar to melt
by causing the water to freeze
by causing the sugar to condense
by causing the water to evaporate
- 29. Multiple Choice
How are bacteria beneficial? Select THREE ways.
They are decomposers.
They live in raw eggs and raw meat.
They help some animals digest food.
They are the main producers in oceans and lakes.
They live on plant roots and make nutrients that the plants need.
- 30. Multiple Choice
Yonah Mountain is in Georgia. How will Earth's destructive processes MOST LIKELY cause Yonah Mountain to change?
It will become wider
It will become higher
It will become lower
It will become more rounded
- 31. Multiple Choice
Which observations about a substance are evidence that a chemical change occurred? Select THREE answers.
a change in odor
a change in state
a change in shape
the formation of bubbles
the formation of a new solid
- 32. Multiple Choice
A student observes a school tree during the year. The tree has flowers in the spring. The tree loses its leaves in the fall. How should the student classify this tree?
spore producer and tree
seed producer and deciduous tree
coniferous plant and evergreen tree
flowering plant and coniferous tree
- 33. Multiple Choice
How is the process of deposition like a volcanic eruption?
Both pull pieces of rock downhill
Both build up features on Earth's surface
Both move rock pieces from one place to another
Both break down rock into smaller pieces at or near Earth's surface
- 34. Multiple Choice
A student observes some effects of electricity. The student records these observations in the following table. What should the student record in place of letters P and Q in this table?
electric current for both P and Q
static electricity for both P and Q
electric current for P and the static electricity for Q
static electricity for P and electric current for Q
- 35. Multiple Choice
A rabbit has two ears, brown fur, a swollen foot, and large front teeth. Which characteristic is MOST LIKELY an acquired physical trait?
two ears
brown fur
swollen foot
large front teeth
- 36. Multiple Choice
Which are possible effects of beach nourishment?
Beaches become smaller.
Eroded beaches are moved.
Eroded beaches are restored.
Animals and plants are harmed.
- 37. Multiple Choice
A student studies a model of a cell. Which part of the model shows the organelle that directs most of the cells activities?
A
B
C
D
- 38. Multiple Choice
What happens during the process of erosion?
Sediment forms.
Sediment is moved.
Sediment is dropped.
Sediment hardens into rock.
- 39. Multiple Choice
A student has a sore throat and goes to the doctor. The doctor sends the student home with a medicine called an antibiotic. What kind of microorganism caused the student's sore throat?
algae
virus
fungus
bacteria
- 40. Multiple Choice
A student finds the following animals in his garden: frog, snake, snail, and lizard. He classifies the snail in one group and the other animals in a second group. Which are the student's groups?
amphibians and reptiles
invertebrates, reptiles
invertebrates and vertebrates
animals with gills, animals with lungs
- 41. Multiple Choice
A student develops a model to sort some flowering plants into groups. How does the student MOST LIKELY sort the plants?
by leaf size
by leaf shape
by plant height
by whether the plant produces spores or seeds
- 42. Multiple Choice
A student observes monkeys at a zoo. A zookeeper brings a tub of melons. The monkeys race to the tub and eat the melons. Which question would the students MOST LIKELY ask to determine whether eating melons is an instinct or a learned behavior in these monkeys?
What do the monkeys eat in nature?
Are melons a regular part of the monkeys' diet?
How does a new monkey react the first time it sees the melons?
How does a new monkey react the last time it sees the melons?
- 43. Multiple Choice
How is an electromagnet different from a bar magnet? Select TWO answers.
An electromagnet has only one pole.
An electromagnet does not attract iron.
An electromagnet can be turned on and off.
An electromagnet is created by electric current.
An electromagnet does not have a magnetic field.
- 44. Multiple Choice
Students in a science class make models of deposition. What do their models show?
How lava flows from volcanoes
How rocks are broken into particles
How rock particles build up new landforms
How water, ice, and wind move rock particles
- 45. Multiple Choice
A student argues that some microorganisms are harmful. Which is the BEST evidence to support the student's claim?
Bacteria turn milk into cheese.
Fungi and bacteria are decomposers.
Bacteria in raw meat can make people sick.
Algae are the main producers in oceans and lakes.
- 46. Multiple Choice
A student is hiking on a summer day. She sees pieces of rock fall down a cliff. Which process MOST LIKELY occurred?
erosion by water
weathering by ice
erosion by gravity
deposition by wind
- 47. Multiple Choice
Which is the BEST evidence that plants and animals are made up of tiny cells?
Plant and animal cells have similar parts.
Some plant cells are visible with a hand lens.
Scientists believe cells are the building block of living things.
Scientists use microscopes to study and make images of plant and animal cells.
- 48. Multiple Choice
A student drops some nails into a trash can half filled with wood shavings. Which is a way to separate the mixture of nails and shavings?sifting
sifting
flotation
evaporation
using a filter
- 49. Multiple Choice
A chemical change is indicated in the model by...
the production of gas bubbles
the baking soda dissolving
the vinegar level decreasing
the baking soda decreasing
- 50. Open Ended
Who is your favorite science teacher of all time? Be careful... there's only one correct answer! :)
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