Earth Science
Physical Science
Space Science
Life Science
Mixed Bag
100
Sandstone is a sedimentary rock. Which of the following statements best describes how sandstone is formed?
| A. | Minerals left behind by dripping water harden and form rock over time. | |
| B. | Weathered rock particles form layers and are cemented over time. | |
| C. | Volcanic eruptions force molten rock to the surface, where it cools and solidifies. | |
| D. | Underground heat and pressure cause existing rock to change and form new rock. |
What is:
B.Weathered rock particles form layers and are cemented over time.
100
Which of the following objects would reflect the greatest amount of light from a flashlight?
| A. | a brick wall | |
| B. | a glass window | |
| C. | a bathroom mirror | |
| D. | a sheet of black paper |
What is:
C: a bathroom mirror
100
A student wants to model what causes day and night on Earth. The student uses a globe to represent Earth and a light bulb to represent the Sun. Pictures of the globe and light bulb are shown below.
How can the student use the globe and light bulb to show what causes day and night on Earth?
| A. | by rotating the globe near the light bulb | |
| B. | by tilting the globe and rotating the light bulb | |
| C. | by turning the light bulb on and off near the globe | |
| D. | by moving the light bulb in a circle around the globe |
What is:
A: by rotating the globe near the light bulb
100
Which of the following animal behaviors most likely helps to change an open meadow area into an area with many trees?
| A. | deer feeding on new plant growth in the area each spring | |
| B. | beavers creating ponds in the area by damming up streams | |
| C. | rabbits digging burrows underground and loosening up hard soil | |
| D. | squirrels burying seeds for winter and leaving them in the ground |
What is:
D- squirrels burying seeds for winter and leaving them in the ground
100
Katydids are insects that live on plants. Their bodies are adapted to look like leaves.
Which of the following best explains why katydids adapted this trait?
| A. | Katydids with this trait were better able to make their own food. | |
| B. | Katydids with this trait were better able to store nutrients and hibernate. | |
| C. | Katydids with this trait were better able to blend into their environment and survive. | |
| D. | Katydids with this trait were better able to communicate with other insects around them |
What is:
C: Katydids with this trait were better able to blend into their environment and survive
200
The map below shows the Grand Banks area off the coast of Newfoundland, Canada.
The Grand Banks area has over 200 foggy days a year. Which of the following conditions produce the fog in the Grand Banks area?
| A. | dry air and fast ocean currents | |
| B. | cold air masses and high clouds | |
| C. | moist air and cold temperatures near the ocean surface | |
| D. | high air temperatures and high air pressure near the coast |
What is:
C moist air and cold temperatures near the ocean surface ?
200
Which of the following properties must be the same for two tables made from the same sample of wood?
| A. | hardness | |
| B. | shape | |
| C. | size | |
| D. | weight |
What is:
A- hardness
200
How many objects in our solar system can be classified as a star?
| A. | 0 | |
| B. | 1 | |
| C. | 3 | |
| D. | 9 |
What is:
B- 1 (the sun is a star)
200
Which of the following happens only during the adult stage of the life cycle of a frog?
| A. | A frog lays eggs. | |
| B. | A frog swims in water. | |
| C. | A frog begins to lose its tail. | |
| D. | A frog begins to develop lungs. |
What is:
A- a frog lays eggs
200
In a meadow ecosystem, mice receive most of the energy they need to survive directly from which of the following sources?
| A. | minerals | |
| B. | oxygen | |
| C. | plants | |
| D. | water |
What is:
C- plants
300
Some students are trying to determine whether a material is a mineral. They ask the questions shown in the table below.
| Questions |
| 1. Does the material occur naturally? |
| 2. Will the material break if hit with a hammer? |
| 3. Does the material have a crystal structure? |
| 4. How much does the material weigh? |
Which two questions would most help the students determine whether the material is a mineral?
| A. | questions 1 and 2 | |
| B. | questions 1 and 3 | |
| C. | questions 2 and 4 | |
| D. | questions 3 and 4 |
What is:
B: Question 1 and 3
300
Which of the following examples best describes one type of energy changing into another?
| A. | a magnet sticking to a refrigerator | |
| B. | sound traveling through a solid wall | |
| C. | an electric heater warming up a cold room | |
| D. | light rays bending as they pass through glass |
What is:
C- an electric heater warming up a cold room
300
Jupiter is the largest planet in the solar system. It rotates on its axis once about every 10 hours.
What time period on Earth would be 10 hours long if Earth rotated on its axis once every 10 hours?
| A. | a day | |
| B. | a week | |
| C. | a month | |
| D. | a year |
What is:
A- a day
300
In their life cycles, butterflies go through a process called metamorphosis.
- Copy the diagram below onto your slate.
On your slate, complete your diagram with the butterfly life cycle stages (larva, adult, egg, pupa) in the order that they occur.
300
The needle of a compass is a magnet that usually points to magnetic north, as shown below.
The compass is brought close to several objects. Which of the following objects is most likely to make the needle of the compass point in a direction other than magnetic north?
| A. | a wooden picnic table | |
| B. | a steel swing set | |
| C. | a glass window | |
| D. | a plastic chair |
What is:
B- a steel swing set
400
Which of the following statements best describes the climate of an area rather than its weather conditions?
| A. | The summers are hot and humid. | |
| B. | The temperature at noon was 86°F. | |
| C. | Total rainfall on April 9 was 2 inches. | |
| D. | Strong winds are expected tomorrow evening. |
What is:
A The summers are hot and humid
400
The picture below shows an electrical plug with a plastic body and metal prongs.
Which of the following best explains why the body of the plug is made out of plastic?
| A. | Plastic is a conductor. | |
| B. | Plastic is an insulator. | |
| C. | Plastic is slow to melt. | |
| D. | Plastic is easy to break. |
What is:
B- plastic is an insulator
400
The picture below shows a full moon that a student observed in the night sky on March 1.
Which of the following pictures shows the appearance of the Moon approximately one month later?
| A. |
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| B. |
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| C. |
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| D. |
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What is:
C: 
400
A student has two plants of the same type, plant X and plant Y. Each plant is in its own pot outside in a sunny location. The student gives both plants the same amount of water and nutrients. The table below shows the student’s notes about both plants.
Based on the student’s notes, what is the most likely reason for the differences between the two plants?
| A. | Plant Y’s roots were damaged by insects, so it cannot make as much food as plant X can. | |
| B. | Plant Y’s flowers were damaged by insects, so it cannot store as many minerals as plant X can. | |
| C. | Plant Y’s fruit was damaged by insects, so it cannot attract pollinating insects as well as plant X can. | |
| D. | Plant Y’s stem was damaged by insects, so it cannot move as much water to its leaves as plant X can. |
What is:
D: Plant Y’s stem was damaged by insects, so it cannot move as much water to its leaves as plant X can.
400
A crane operator uses a crane with an electromagnet to move scrap metal over a train car, as shown below.
Which of the following statements describes what the crane operator does to drop the scrap metal into the train car?
| A. | The crane operator turns on a magnetic charge in the scrap metal. | |
| B. | The crane operator turns off an electric current in the electromagnet. | |
| C. | The crane operator sends out a signal that causes the train car to become an electromagnet. | |
| D. | The crane operator sends out a signal that blocks the magnetic properties of the scrap metal. |
What is:
B: The crane operator turns off an electric current in the electromagnet.
500
A scientist conducted hardness tests for four different minerals: calcite, feldspar, fluorite, and quartz. The list below shows the results of the hardness tests.
Based on the results of the hardness tests, which mineral is the hardest?
| A. | calcite | |
| B. | feldspar | |
| C. | fluorite | |
| D. | quartz |
What is:
D- Quartz
500
A student uses the two containers shown below to investigate the properties of a liquid.
The student fills container 1 with a liquid and then pours all the liquid from container 1 into container 2. Based on the student’s investigation, which of the following statements best describes a property of a liquid?
| A. | It takes the shape of its container. | |
| B. | It expands to completely fill its container. | |
| C. | It stays the same shape in different containers. | |
| D. | It has different weights in different containers. |
What is:
A- it takes the shape of its container
500
Which of the following sets of pictures shows the phases of the Moon in the order they would be observed?
| A. |
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| B. |
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| C. |
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| D. |
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What is:
B: 
500
The pictures below show six animals.
Which chart shows these animals correctly sorted into two groups based on how they reproduce?
| A. |
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| B. |
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| C. |
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| D. |
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What is:
B: 
500
At the beginning of a science class, the teacher opened a small sealed jar and placed it on a table. The contents of the jar spread throughout the room during class.
Which of the following did the jar most likely contain?
| A. | cloth fibers | |
| B. | snowflakes | |
| C. | saltwater | |
| D. | oxygen gas |
What is:
D- Oxygen gas