Matter
Students are given a mixture of iron filings and sand.
Which method could the students use to separate the mixture into its individual components?
A. pour the mixture through a filter
B. cool the mixture in a refrigerator
C. stir the mixture with a bar magnet
D. place the mixture in a container of water
C. stir the mixture with a bar magnet
Which role do the producers have in the food chain?
A. They decompose small organisms to produce energy.
B. They prevent the food chain from containing too many carnivores.
C. They capture the energy from the sun and are food for consumers.
D. They break down dead organisms into simpler substances.
C. They capture the energy from the sun and are food for consumers.
Where is the largest amount of freshwater located?
A. Groundwater
B. Oceans on Earth
C. Glaziers & Ice Caps
D. Surface Water
C. Glaziers & Ice Caps
On Earth all the stars in the sky give Earth less light energy than the Sun. Why is this true?
A. The Sun is much bigger than the other stars.
B. The Sun has more mass than the other stars.
C. The Sun is closer to Earth than the other stars.
D. The Sun has more volume than the other stars.
C. The Sun is closer to Earth than the other stars.
Which example demonstrates unbalanced forces experienced by an iceskater?
A. The iceskater stands upright on the skates without moving.
B. The skater sits in a chair to put on the skates.
C. The skater leans against the wall to rest.
D. The skater digs the toe pick into the ice to come to a stop.
D. The skater digs the toe pick into the ice to come to a stop.
A student is classifying objects. Answering which question will provide the best evidence that an object is a metal?
A. What is its mass?
B. What is its physical state (state of matter)?
C. Does it conduct heat & electricity?
D. How quickly does it dissolve in water?
C. Does it conduct heat & electricity?
Butterflies are often observed in grassy areas with many flowering plants. They have a long, thin structure called a proboscis, which is used to collect nectar from flowers.
Which statement best describes how butterflies would survive in a new area with some tall trees and very few flowering plants?
A. Butterflies would survive well in the new area because they rely on other butterflies for food.
B. Butterflies would survive well in the new area because trees provide shade for the butterflies.
C. Butterflies would not survive well in the new area because they eat food produced by the flowering plants.
D. Butterflies would not survive well in the new area because the trees would block the sunlight they need to produce energy.
C. Butterflies would not survive well in the new area because they eat food produced by the flowering plants.
A student plans to make a chart that describes each process in the water cycle. Which sentence should the student use to describe the process of condensation?
A. Water flows downhill.
B. Liquid water turns into water vapor.
C. Polar ice turns into liquid water.
D. Water vapor collects to form droplets.
D. Water vapor collects to form droplets.
A student in Missouri records the average number of daylight hours during four months of the year.
The results are shown in the data below.
Hours of daylight in Missouri per month:
February: 10 hours, 16 minutes
May: 13 hours, 44 minutes
August: 14 hours, 9 minutes
November: 10 hours, 38 minutes
Which conclusion is best supported by the data provided?
A. The sun is larger and brighter in May and August than it is in February and November.
B. Earth rotates slower on its axis in May and August than it does in February and November.
C. Earth is closer to the sun’s orbit around the planets in May and August than it is in February and November.
D. The Northern Hemisphere receives more direct sunlight in May and August than it does in February and November.
D. The Northern Hemisphere receives more direct sunlight in May and August than it does in February and November.
Gravitational force directed on all objects on Earth is directed in which direction?
DOWN (Toward the center of Earth)
A student pours 14 grams of sugar into a jar filled with 500 milliliters of water. The student thoroughly stirs the sugar and water to make a solution.
Which change most likely occurs to the sugar when it is added to the water?
A. The sugar breaks down to form a new substance in the solution.
B. The sugar changes water into a new substance in the solution.
C. The sugar floats on the surface of the water in the solution.
D. The sugar completely dissolves in the solution.
D. The sugar completely dissolves in the solution.
The list below includes some characteristics of a puppy.
Puppy Characteristics
• ears that face forward
• tip of nose is dark colored
• short coat (fur length)
• scar on one of its front paws
A student states that all of the puppy’s characteristics in the list were inherited from its parents.
Which statement best explains whether the student is correct or incorrect?
A. The student is correct because the length of the puppy’s fur was inherited.
B. The student is correct because everything on an animal’s body is inherited.
C. The student is incorrect because the scar on the puppy’s paw was not inherited.
D. The student is incorrect because the color of the puppy’s nose was not inherited.
C. The student is incorrect because the scar on the puppy’s paw was not inherited.
Sometimes sinkholes happen in places where people live!
A student finds a story online about a sinkhole that formed beneath a family’s house in Florida. The sinkhole formed while the people were sleeping, and luckily, they weren’t hurt.
Fill in the blanks below to complete the sentence:
When the ground collapsed it affected the people who lived in the house. In this
scenario, the ____________sphere affected the ____________sphere.
The GEOSPHERE affected the BIOSPHERE
Which piece of evidence does NOT support the argument that the Earth is round?
A. Watching boats disappear over the curve of the horizon.
B. When you are standing on Earth, the ground looks flat.
C. Looking at images of the Earth taken by satellites.
D. People have traveled all the way around the Earth.
B. When you are standing on Earth, the ground looks flat.
As a skate’s blade passes over the ice, the ice changes to water, making it easier for the skate to slide over the ice. After the skate has passed over, the water turns back to ice. What two physical changes are happening to the ice as skates pass over it?
A. melting and freezing
B. melting and condensing
C. evaporating and condensing
D. freezing and evaporating
A. melting and freezing
Chlorine is a green gas, while sodium is a soft, silver solid. Together they create a new substance of salt which is a white, brittle solid with other new properties. What kind of change occured and why?
A. Chemical Change: Both substances increased in mass.
B. Chemical Change: A new substance is formed.
C. Physical Change: No new substances are formed.
D. Physical Change: Chlorine and sodium can be easily separated.
B. Chemical Change: A new substance is formed.
Students would expect to see more frogs near the school with an increase in native plants. Frogs have sticky tongues that they use to catch insects. Select the two statements that describe how a frog’s tongue helps it survive.
A. A frog’s tongue can perform the function of any other structure in a frog.
B. A frog’s tongue has a specific function in how a frog grows and develops.
C. A frog’s tongue works separately from other structures in the frog to help it survive.
D. A frog’s tongue is the only structure that helps to break food down into smaller parts.
E. A frog’s tongue is one of many structures that work together to support growth and reproduction.
B. A frog’s tongue has a specific function in how a frog grows and develops.
E. A frog’s tongue is one of many structures that work together to support growth and reproduction.
When warm air at a beach rises, cold air comes in replacing the warm air, causing _______.
A. Transpiration
B. Condensation
C. Evaporation
D. Percipitation
B. Condensation
Why does the Sun appear to move across the sky during the day?
A. The rotation of the Earth on its axis
B. The rotation of the Sun on its axis
C. The orbit of the Sun around the Earth
D. The orbit of the Earth around the Sun
A. The rotation of the Earth on its axis
Students conduct experiments to investigate friction. Which experiment will best test the effect of friction on objects?
A. Drop two balls from the same height at the same time
B. Roll two marbles on the carpet from the same starting point at the same time and with the same amount of force.
C. Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.
D. Release two balls from the top of a ramp at the same time
C. Roll three marbles across three different surfaces from the same starting point at the same time and with the same amount of force.
A student places objects in a bucket of water to determine if they will float.
Toothpick
Plastic paper clip
Penny
Cork
Metal spoon
Vegetable oil
Which set of items is less dense than water?
A. Plastic paper clip, penny, and cork
B. Toothpick, metal spoon, and plastic paper clip
C. Metal spoon, vegetable oil, and penny
D. Toothpick, cork, and vegetable oil
D. Toothpick, cork, and vegetable oil
Two box turtles live in an area in a zoo’s reptile house. Zoo visitors made a list of observations of the turtles. The list is shown.
1. Sliding into a small pond
2. Eating a strawberry
3. Digging a hole in the sandy soil
4. Climbing onto a flat rock
5. Holding an earthworm in its mouth
6. Walking across the area
Which observations best describe how box turtles interact with the biotic factors in their environment?
Observations 2 & 5
Which statement is true about where we get fresh water:
A. Groundwater is more easily accessible and abundant than surface water.
B. Surface water is more easily accessible and abundant than groundwater.
C. Ocean water is easily available and more abundant than surface and groundwater combined.
D. Even though surface water is more easily accessible, there isn’t very much of it on Earth. Most of our freshwater is groundwater.
D. Even though surface water is more easily accessible, there isn’t very much of it on Earth. Most of our freshwater is groundwater.
What TWO things cause Earth's seasons?
1. Earth's orbit around the sun.
2. Earth's tilt on its axis
Which of the following allows plants to go through photosynthesis?
A. Sunlight, Water, and Soil
B. Sunlight, Water, and Carbon Dioxide
C. Soil, Sunlight, and Carbon Dioxide
J Sunlight, Air, and Soil
B. Sunlight, Water, and Carbon Dioxide