Life Sciences
Earth Sciences
Chemistry
Physics
Miscellaneous
100

What is the main function of a plants roots?

What is to absorb water.

100

What type of rock is formed by weathering, layering and cementation in bodies of water?

What is sedimentary rock.

100
How does a water molecule move in a piece of ice?

It vibrates in place.

100

The gravitational force between two objects is most affect by what?

The objects mass and distance. 

100

One day on earth is measure by what motion?  

What is the complete rotation of the earth around its axis.

200

What are genes composted of?

What is DNA.

200

What type of rock is formed when magma or lava cools and hardens?  

What is igneous rock.

200

A scientist is dissolving sugar in a beaker of water at room temperature.  What can the scientist do to make the sugar dissolve faster?

What is heat up the beaker.
200

A stretched rubber band is an example of what type of energy?  Kinetic or potential energy.

What is potential energy.

200

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.

300

What term best describes a mushroom?  scavenger, decomposer, producer or omnivore

What is decomposer.

300
Which type of rock is formed from heat and pressure beneath the Earth's surface?

What is metamorphic rock.

300

What substance (solid, liquid or gas) has molecules or particles that are  spread apart and moving about freely?

What is a gas.

300

What happens to the kinetic energy of an object as it's temperature increases?

The Kinetic energy increases. 

300

How long does it take from one full moon to the next full moon?

What is a month.

400

A cell that contains chloroplasts is able to produce its own food by the process of what?

What is photosynthesis.

400

The energy for the water cycle is provided by what?

What is the sun.

400

Why is water not found on the periodic table of elements?

Water is not an element.  It is a molecule.

400

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.

400

Most scientist agree that an increase in carbon dioxide in the atmosphere causes what?

What is an increase in the average surface temperature of the Earth.
500

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.

500

What layer of the Earth is found beneath the crust?

What is the mantle.

500
Noble gases are inert or nonreactive because of what?

They have 8 valence electrons.

500

The kinetic energy of moving electrons is called what?

What is electrical energy.

500

If a species cannot adapt to the changes in its environment, the species may become what?

What is extinct.

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