Physics
Chemistry
Biology
Earth
Density
100
A bicycle rider is traveling up a hill. When the rider reaches the top of the hill, she stops to rest. Then she travels down the hill. The diagram shows the rider in the three different positions.
At which point does the biker have the most potential energy? First, second, or third position?
2nd
100
In the chemical reaction shown above, the products are best classified as —
two elements
one element and one compound
two compounds
two compounds and one element
Two compounds
100
Which of the following statements is true concerning prokaryotic and eukaryotic cells?
A Eukaryote can be seen by the unaided eye and a prokaryote cannot be seen.
Eukaryotes have a nucleus and a prokaryotes do not have a nucleus.
Prokaryotes have a nucleus and eukaryotes do not have a nucleus.
Eukaryotes and prokaryotes can be seen by the unaided eye.
Eukaryotes have a nucleus and a prokaryotes do not have a nucleus.
100
The outermost layer of the earth is called...
Crust
100
You are comparing the density of two objects using water. The first object sinks and then the 2nd object floats. Which object is less dense?
Object 2
200
Look at the forces in the diagram below.
Which sides displays balanced forces?
top and bottom
200
A student is classifying an unidentified solid gray material as a metal or nonmetal. During testing, the student finds that the material is malleable and Ductile. How should they classify it?
Metal
200
Which level of organization does this picture represent?
Ecosystem
200
The tectonic plates move around the planet over long periods of time due to...
Convection in the mantle
200
A balance and a graduated cylinder are used to determine the density of a mineral sample.
The sample has a mass of 14.7 g and a volume of . What is the density of the mineral sample?
6.7 g/cm3
300
A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track.
At which location does the marble have maximum kinetic energy?
Y
300
Some students are using samples of different substances for a lab investigation. They plan to observe the physical properties of each substance and record their observations in a table like the one below.
Which of the substances observed are elements?
300
List the abiotic factors.
Sunlight, heat and termite mound.
300
Which of the plate boundaries creates Mid-Ocean Ridges?
Divergent Plate Boundaries.
300
The formula to calculate the density of an object is...
D=m/v
400
A demonstration helps students understand a principle of roller coaster design.
At which point is kinetic and potential energy balanced?
Point W
400
Based on the properties of aluminum, sulfur, and chlorine, which would be classified as a metal?
Aluminum
400
Archaebacteria live in environments that are...
extreme like volcanic hot springs or acidic pools
400
When one plate slides under another because it is more dense, this process is called...
Subduction
400
The mass of an unidentified rock is 15.5 grams. Students determine the volume of the rock by placing the rock in a cylinder with water. The students calculate the density of the rock. They determine the identity of the rock based on the density ranges in the table.
The students most likely have which type of rock?
Peridotite
500
What does the graph tell us about the motion and speed of the car?
Accelerated, constant speed, de-accelerated, and last constant speed.
500
The chemical equation shown below represents a reaction that produces fuel for certain cars.
Which substance represented in this equation is classified as an element?
Hydrogen
500
You observed the characteristics of an organism. The organism is multicellular, eukaryotic, reproduces sexually, and heterotrophic. Which kingdom does the organism belong to?
Animalia
500
What is this a diagram of?
Rock Cycle
500
A manufacturer selected a metal to use in producing a lightweight button for clothing. A metal that has a density of was selected.
Which of the metals was selected?
metal 4