What is the main function of a plants roots?
What is to absorb water.
What type of rock is formed by weathering, layering and cementation in bodies of water?
What is sedimentary rock.
It vibrates in place.
The gravitational force between two objects is most affect by what?
The objects mass and distance.
One day on earth is measure by what motion?
What is the complete rotation of the earth around its axis.
What are genes composted of?
What is DNA.
What type of rock is formed when magma or lava cools and hardens?
What is igneous rock.
A scientist is dissolving sugar in a beaker of water at room temperature. What can the scientist do to make the sugar dissolve faster?
A stretched rubber band is an example of what type of energy? Kinetic or potential energy.
What is potential energy.
What is one positive effect on the environment by recycling aluminum?
A. lowering atmospheric pollution
B. conserving Earth's resources
What is conserving Earth's resources.
What term best describes a mushroom? scavenger, decomposer, producer or omnivore
What is decomposer.
What is metamorphic rock.
What substance (solid, liquid or gas) has molecules or particles that are spread apart and moving about freely?
What is a gas.
What happens to the kinetic energy of an object as it's temperature increases?
The Kinetic energy increases.
How long does it take from one full moon to the next full moon?
What is a month.
A cell that contains chloroplasts is able to produce its own food by the process of what?
What is photosynthesis.
The energy for the water cycle is provided by what?
What is the sun.
Why is water not found on the periodic table of elements?
Water is not an element. It is a molecule.
A person is pushing against an wall with a force of 20 Newtons (N), but the wall doesn't move. How much force is the wall pushing back on the person?
What is 20 Newtons.
Most scientist agree that an increase in carbon dioxide in the atmosphere causes what?
Deer eat plants and wolves eat deer. What do we call the diagram that explains the role of these animals in their ecosystems?
What is the food web.
What layer of the Earth is found beneath the crust?
What is the mantle.
They have 8 valence electrons.
The kinetic energy of moving electrons is called what?
What is electrical energy.
If a species cannot adapt to the changes in its environment, the species may become what?
What is extinct.