TCAP Science 2

Question 1

Which layer of Earth's atmosphere contains the ozone layer that protects life from harmful ultraviolet radiation?

Accepted Answer

Stratosphere

Answer

The ozone layer is located in the stratosphere, approximately 15–35 km above Earth's surface.

Question 2

A student observes that a metal spoon left in hot soup becomes warm. Which method of heat transfer is primarily responsible?

Accepted Answer

Conduction

Answer

Conduction transfers heat through direct contact between the hot soup and the metal spoon.

Question 3

During meiosis, the resulting cells have how many chromosomes compared to the original parent cell?

Accepted Answer

Half as many

Answer

Meiosis produces four haploid cells, each with half the chromosome number of the diploid parent cell.

Question 4

Which type of rock forms when magma cools and solidifies deep underground?

Accepted Answer

Intrusive igneous

Answer

Intrusive (plutonic) igneous rocks, like granite, form when magma cools slowly beneath Earth's surface.

Question 5

What happens to the wavelength of a sound wave when its frequency increases?

Accepted Answer

Wavelength decreases

Answer

Since wave speed = frequency × wavelength, a higher frequency at constant speed means a shorter wavelength.

(TCAP) Tennessee Comprehensive Assessment Program Practice Test