TCAP Science Concepts 3

Question 1

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

Accepted Answer

Stratosphere

Answer

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

Question 2

A circuit has a battery, a switch, and two light bulbs connected in series. If one bulb burns out, what happens to the other bulb?

Accepted Answer

It also goes out because the circuit is broken

Answer

In a series circuit, all components share a single path, so if one bulb fails, the circuit breaks and all components stop working.

Question 3

Which process do plants use to convert carbon dioxide and water into glucose using sunlight?

Accepted Answer

Photosynthesis

Answer

Photosynthesis is the process by which plants use light energy to convert CO₂ and water into glucose and oxygen.

Question 4

A wave with a higher frequency will have which of the following compared to a wave with a lower frequency (at the same wave speed)?

Accepted Answer

Shorter wavelength

Answer

Since wave speed = frequency × wavelength, higher frequency means shorter wavelength when wave speed remains constant.

Question 5

Which type of eclipse occurs when the Moon passes between Earth and the Sun, casting a shadow on Earth?

Accepted Answer

Solar eclipse

Answer

A solar eclipse occurs when the Moon blocks sunlight from reaching Earth, casting the Moon's shadow on Earth's surface.

(TCAP) Tennessee Comprehensive Assessment Program Practice Test