teas 7 science practice

Question 1 of 5

When is work done on an object?

A. Only when the object's velocity changes B. Only when a force is applied to the object C. Whenever there is a force exerted on the object causing displacement D. Only when the object is lifted vertically

Question 2 of 5

When ethanol (C₂H₅OH) reacts with sodium metal (Na), what is the product?

A. Ethene (C₂H₄) B. Sodium ethoxide (C₂H₅ONa) C. Ethane (C₂H₆) D. Sodium acetate (CH₃COONa)

Question 3 of 5

Unlike the circulatory system, the lymphatic system does not have a pump. How does lymph move through the lymphatic vessels?

A. By the pumping action of the heart B. Due to muscle contractions and breathing movements C. Through one-way valves within the vessels D. All of the above

Question 4 of 5

Which of the following is the outermost layer of the skin, providing protection against pathogens and the environment?

A. Dermis B. Epidermis C. Hypodermis D. Stratum corneum (part of the epidermis)

Question 5 of 5

What is the relationship between work and energy?

A. Work is the rate of energy transfer B. Work and energy are the same concepts C. Work is the result of energy D. Work changes an object's energy from one form to another

TEAS 7 science practice

Skildor

ATI TEAS 7

ATI TEAS 7