7th Grade Spring Final Review 2024

Jessica rides an escalator that moves her upward at constant speed. As Jessica rises, how do her gravitational potential energy and kinetic energy change?

• Gravitational potential energy decreases and kinetic energy remains the same.
• Gravitational potential energy increases and kinetic energy remains the same.
• Gravitational potential energy decreases and kinetic energy decreases.
• Gravitational potential energy increases and kinetic energy decreases.

Which organelle sorts and packages materials such as proteins and carbohydrates into vesicles?

• A. The nucleus
• B. The golgi body or apparatus
• C. The endoplasmic reticulum
• D. A vacuole

A cell spends most of its life:

• Growing and performing its function(s)

• Replicating its DNA and checking the replicated DNA for errors

• In cell division

• Making new organelles

During which stage of mitosis do chromosomes line up down the middle of the cell?

• Prophase

• Anaphase

• Metaphase

• Telophase

If you say an object is hot, you are feeling the transfer of _____.

• kinetic energy
• thermal energy
• potential energy
• chemical energy

What is Newton's Third Law of Motion?

• The relationship between force, mass, and acceleration can be stated with the equation F=ma.
• An object resists changes to its motion unless unbalanced forces act on the object.
• For every action there is an equal and opposite reaction.

______ energy is energy an object possesses due to motion.

• Kinetic
• Thermal
• Potential
• Chemical

Waste materials from nuclear power plants _________.

• cause no pollution
• are completely safe
• are dangerous to living things for thousands of years
• are dangerous to living things for a few days

Force is measured in:

• Newtons

• Joules

• Meters

• Meters per second

______ energy is energy an object possesses due to position.

• Kinetic
• Thermal
• Potential
• Chemical