General Science

When a lobster grows a claw to replace one that was lost, the process is called?

• Restoration

• Retraction

• Regeneration

• Reproduction

Mollusks typically have

• wings

• shells

• scales

• Backbones

Which of these is the best explanation of how smooth round stone became smooth?

• Continuous freezing and thawing

• Volcanic action

• It fell off the side of a cliff

• It was in a stream for a long time

Which of these undergoes metamorphosis?

• Butterfly

• Bacteria

• snake

• Chicken

Water droplets forming on the inside of a cold windshield is example of

• Evaporation

• Conduction

• vaporization

• condensation

In a balanced aquatic ecosystem, which of the following would have greatest population?

• Fish

• Crabs

• Sharks

• Plankton

Which of these reduce friction?

• Car brakes

• Tire tread

• Ball bearings

• Sandpaper

An example of kinetic energy is a

• Car sitting up on blocks

• Flag hanging on a flagpole

• Pillow leaning against the back of a chair

• Pendulum swinging in a grandfather clock.

Solubility can be defined as the

• amount of moisture in the air

• extent to which a substance dissolves in a solvent.

• Amount of salt present in a solvent

• Extent to which a gas dissolves in air.

Using the list, which of the following presents the stages of the water cycle in the correct order?

1. Water vapor cools

2. Precipitation occurs

3. Evaporation occurs

4. Condensation occurs

5. Sunlight heats pond water

• 1=>4=>2=>5=>3

• 5=>2=>1=>4=?3

• 1=>3=>2=>4=>5

• 5=>3=>1=>4=>2