A Stir the liquids, let them settle, and then identify the bottom layer as water

B Drop a piece of ice into the graduated cylinder, let the ice settle, and then identify the layer just above the ice as water

C Add water to the graduated cylinder, let the mixture settle, and then identify the layer that increases in volume as water

D Carefully pour each layer into separate plastic containers, place the containers in a freezer, and then identify the liquid that takes the longest to freeze as water

A Open the switch and then connect the two wires that are attached to the wood block

B Switch the positions of the two wires that are connected to the battery and then open the switch

C Move the switch closer in the circuit to the battery

D Connect the two wires that are attached to the woodblock

A Biofuel

B Hydroelectric

C Geothermal

D Solar

A Salt and water

B Gravel and water

C Shampoo and water

D Sugar and water

F Weathering and erosion are directly responsible for the breakdown of any type ofrock into smaller particles and the carrying away of the loose sediments.

G Weathering and erosion are directly responsible for depositing loose sediments on the bottom of the ocean, forming layers of sediment.

H Weathering and erosion are directly responsible for the amount of water in a river that transports sediments to the sea.

J Weathering and erosion are directly responsible for the transportation, deposition, and compaction of loose sediments on the seafloor.

F Bacteria living in the mouth of a horse

G Ivy plants growing up a fence to obtain more sunlight

H Mold living on a hard, rocky surface

J An angelfish releasing carbon dioxide into pond water

Doing work by pushing the ball and changing its motion and position

Changing the position but not the motion of the ball

Doing work by pulling the racquet and changing the ball’s position but not its motion

Changing the position and motion of the ball without doing any work

A The sample must be kept in a freezer.

B The temperature of the sample must change.

C The investigation must be performed outside.

D The physical state of the sample must remain the same.

Coal

Natural gas

Petroleum

Wood

A a rapid series of earthquakes

B volcanic activity

C a flood with rapidly moving water

D the movement of a glacier

A) The sky reflects the blue color of the oceans.

B) Blue light is scattered in all directions by the gases and particles in the Earth's atmosphere.

C) The sun emits more blue light than any other color.

D) Blue light travels faster than other colors of light.

A) The amount of sugar dissolved

B) The temperature of the water

C) The volume of water used

D) The time taken to dissolve the sugar

A) Chlorophyll absorbs light energy and converts it into chemical energy.

B) Chlorophyll provides structural support to plant cells.

C) Chlorophyll transports water and nutrients within the plant.

D) Chlorophyll stores the glucose produced during photosynthesis.