TNReady Science Practice

Front

What is the approximate age of the Earth?

Back

The Earth is about 4.5 billion years old.

Front

What do we call astronomy tools placed in orbit around Earth that collect information from space?

Back

Satellite

Front

What does the Law of Superposition help us understand?

Back

The Law of Superposition helps us understand the age of fossils compared to other fossils.

Front

If an object is not moving, how will it move?

Back

It won't move.

Front

What is the lowest pitch the average human can hear?

Back

About 20.0 Hz.

Front

If sound with a frequency of 20.0 Hz travels through air at 300 m/s, what is its wavelength?

Back

15 m.

Front

What is a satellite?

Back

A satellite is an astronomy tool placed in orbit around Earth that collects information from space.

Front

What is the significance of the Law of Superposition in geology?

Back

It helps determine the relative ages of rock layers and fossils.

Front

What is the speed of sound in air?

Back

Approximately 300 m/s.

Front

How do we calculate wavelength?

Back

Wavelength = Speed of Sound / Frequency.