Scientific Investigation
What are the different variables in an experiment?
Independent and Dependent variable
An object is traveling north at a speed of 12 kilometers per hour. Which characteristic of the object is being described?
A. Matter
B. Motion
C. Volume
D. Temperature
B. Motion
All of these are consumers EXCEPT a —
A. Butterfly
B. Wasp
C. Bullfrog
D. Tree
D. Tree
A conductor is....
A material that allows electricity to flow through it.
Which layer is located right below the crust?
Mantle
What is the independent variable?
The variable that is changed
What is potential energy??
Energy that has the potential to move.
Example: A soccer ball about to get kicked has potential energy.
Which of these is most likely harmful to an ecosystem?
1. Building new homes in a wetland
Which of these are examples of Insulators:
Convergent
Divergent
Transform
Students notice in the fall the leaves of trees turn red, orange, and yellow but the leaves of a black oak tree are brown. The students are making a--
A. A prediction
B. A conclusion
C. An inference
D. An observation
D. An observation
A student throws a ball. Which of these best describes the moving ball???
A. The ball has light energy.
B. The ball is transferring sound energy to the air.
C. The ball has kinetic energy.
D. The ball is transferring light energy to the air.
C. The ball has kinetic energy.
To the blue crab, the open bay of the Chesapeake Bay region is its —
2. habitat
When a light switch is off the circuit is an....
open circuit
Pumice is formed when lava from a volcano cools. Which type of rock is Pumice?
A. Sedimentary
B. Metamorphic
C. Igneous
Igneous rock
What is a constant in a experiment?
The things in an experiement that stay the same
When a coin is dropped, it falls to the ground. As the coin falls, it loses potential energy and gains what kind of energy?
A. Kinetic
B. Chemical
C. Electrical
D. Solar
A. Kinetic
Which of these animals is most likely to be found living and feeding on the forest floors of Virginia?
A. Bat
B. Trout
C. Deer mouse
D. Golden eagle
C. Deer mouse
What energy transformation occurs in a toaster?
Electrical energy ----> thermal energy
Types of renewable energy:
Energy that can be reused:
Water, sunlight, wind
Sandy is conducting an investigation to find out which food his dog likes best. Which is the independent variable in this investigation?
A. The color of his dog's food dish
B. The kind of food he gives his dog.
C. The amount of food he gives his dog.
D. The time of day he feeds his dog.
B. The kind of food he gives his dog.
A box would be easier to move if the surface of the ramp was smoother because there would be less-
A. Mass in the box
B. Friction opposing the box
C. Gravity pulling on the box
D. Distance to push the box
B. Friction opposing the box
All of the populations of species in an area make up a —
4. community
A. Chemical Energy
B. Mechanical Energy
C. Static Electricity
D. Magnetic Aattraction
C. Static Electricity
Weathering is......
Erosion is.......
Deposition is.....
Weathering is the breaking down/apart
Erosion is the movement the weathered material
Deposition is the dropping off of the eroded material.