7th Grade Science Final

After lava flows from a volcano, the lava can become igneous rock due to which process?

• Erosion
• Cooling
• Pressure
• Cementation

Tags

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

Which two organ systems work together to control the rate of a person’s breathing?

• Digestive & Respiratory
• Circulatory & Skeletal
• Nervous & Respiratory

What is the main function of a lysosome in an animal cell?

• Breaking down damaged cell parts
• Transporting substances out of the cell
• Holding genetic material

When the concentration of water in the cell is higher than the concentration of water outside the cell...

• water will exit the cell through active transport
• water will enter the cell through diffusion
• water will exit the cell through osmosis
• water will enter the cell through osmosis

The rate at which lithospheric plates move across the surface of Earth is best compared to the speed that a

• human fingernail grows
• car travels on a highway
• rocket escapes the atmosphere of Earth
• meteroid passes through the atmosphere of Earth

An airplane is in flight. If the airplane is experiencing balanced forces, the airplane is best described as

• slowing and descending
• rising and accelerating
• flying along a straight path at a constant speed
• flying along a curved path at an icreasing speed

In humans, free-hanging earlobes (E) are dominant to attached earlobes (e). If the parents are both heterozygous for free-hanging earlobes.     What is the probability that an offspring of this cross will have free-hanging earlobes?

• 25%
• 50%
• 75%
• 100%

A student did 60 newton-meters of work by pulling a box 6 meters.
F = W / d
How much force did the student apply?

• 5 N
• 10 N
• 20 N
• 180 N

Name the Law: A person steps out of a boat and onto a dock. As the person moves forward onto the dock, the boat moves backward. 

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Newton's Fourth Law

Which of these is the best example of a product that results from adaptive engineering?

• a farm tool with a curved blade
• a water sprinkler activated by a timer
• a system for planting different crops each year
• a genetically modified plant species that resists pests