Matter
Three jars are filled with the same amount of water and placed in the freezer over night. The next day, a different type of material is wrapped around each jar and placed in a pan of hot water. Students observe the ice in each jar and discover that the jar wrapped in aluminum foil melts first, and the jar wrapped in cotton melts last. Which property of the different types of materials are the students most likely investigating? (5.2.A)
What is the ability to insulate thermal energy?
Lightning is a bright flash of light produced by a thunderstorm and is a powerful force of energy. Which form of energy does lightning NOT have?
What is solar energy?
In order for a solid rock to turn into sandstone it must go through a sequence of events. What is the first event of turning solid rock into sandstone?
What is weathering, erosion, and deposition?
What causes the day and night cycle?
What is the rotation of the Earth?
All of the following are examples of non-living elements in an ecosystem EXCEPT
F. climate
G. plants
H. nutrients
J. soil
What is G. plants?
A teacher gives student groups two identical cups with different liquids in each. The students are to identify which of the two liquids is water. What is one way the students can test to find out which liquid is water?
What is find the boiling point of both liquids?
Students are given a small electric buzzer, a strip of aluminum foil, a D cell battery, and two insulated wires. If the students build a working circuit that makes the buzzer go off, what is the source of energy for the buzzer?
What is a D cell battery?
A valley is a low area of land between hills or mountains. How are valleys formed?
What is water or glacier erosion?
The science teacher leaves her house every morning at 7:00 A.M. On very sunny days the sun shines brightly in her eyes, making it hard to see while driving. In which direction is the science teacher driving at 7:00 A.M.?
What is east?
How does thick blubber most likely benefit the polar bear?
F. by insulating heat
G. by protecting from predators
H. by storing water
J. it does not serve a purpose
What is F. by insulating heat?
During an experiment students mix silt, clay, sand, and water together in a pan. The students created a--
What is a mixture?
A student drew colored circles on a piece of paper and placed it behind a glass jar half full of water. Why do the colored circles in the lower part of the jar appear larger than the circles in the upper part?
What is light rays are refracted when they travel through the water?
Students are exploring sand dunes and how they form. They fill a paint tray with sand and blow through a straw to move the grains of sand. The students demonstrate safe practices during the experiment most likely by–
What is wearing safety goggles?
Which answer choice best explains how the Sun and ocean interact in the water cycle?
F. The Sun heats the ocean and creates a warm climate for marine life.
G. The Sun heats the ocean and evaporates the water but leaves the salt behind.
H. The Sun heats the ocean and evaporates the water and the salt.
J. The Sun heats the ocean and creates tidal waves.
What is G. The Sun heats the ocean and evaporates the water but leaves the salt behind?
Which answer choice best explains how a food chain and a food web are different?
A. A food chain only includes decomposers.
B. A food web only includes producers and consumers.
C. A food web is a combination of food chains.
D. A food chain is a combination of food webs.
What is C. A food web is a combination of food chains?
An experiment asks students to form a solution by mixing chocolate syrup and water. Which tool is needed to separate the solution?
What is a hot plate?
A teacher drops a tennis ball and golf ball at the same height to see if they will land at different times. What force causes the tennis ball and the golf ball to land on the ground?
What is gravity?
Which of the following landforms is formed by the action of deposition?
F. sink hole
G. cave
H. delta
J. valley
What is H. delta?
A group of students are conducting a research project over the fourth planet from the Sun. Which planet is the fourth planet from the Sun?
How producers get their energy?
What is producers get energy from the sun to make their own food?
When water vapor in the air touches a cold glass, it is cooled and changes into drops of liquid water. What is the process of a gas changing into a liquid form?
What is condensation?
All of the following show a change in motion of an object due to a force being applied EXCEPT
A. holding a ball
B. pushing a wagon
C. raising a flag on a flag pole
D. throwing a football
What is A. holding a ball?
The formation of sedimentary rock requires compaction and cementation. Which of the following best explains the process of compaction and cementation?
F. Layers of sediment press together and harden into sedimentary rock.
G. Weathering and erosion of large rocks form sediment.
H. Water covers a layer of sediment.
J. The sun heats the top layer of the Earth.
What is F. Layers of sediment press together and harden into sedimentary rock?
All of the following are a direct result of erosion EXCEPT—
A. A river forms a canyon.
B. A volcano forms under water.
C. A valley is carved by a glacier.
D. Strong flowing water washes away a river bank.
What is B. A volcano forms under water?
A camel is a desert animal that eats thorns, twigs and bones that other animals won’t eat. Camels can also live up to ten months in the desert without ever drinking water because they have pouches in their stomach that holds the water they need. Which of these is an inherited trait of a camel?
What is the ability to hold water in its stomach?