4TH QTR SUMMATIVE TEST_PHYSICAL SCIENCE

Which of these is NOT in the electromagnetic spectrum?

• Microwaves

• Radio Waves

• Ultrasonic waves

• Visible Light waves

Which of the following is FALSE about the nature of light?

• Light behaves as both a particle and a wave.

• All electromagnetic waves are of the same wavelength.

• It is composed of electric and magnetic waves oscillating perpendicularly.

• Light is emitted when electrons return to a lower energy level.

Which among these models of the Universe did Tycho Brahe propose based on his astronomical data?

• Copernican

• Geocentric

• Heliocentric

• Geo-Heliocentric

It refers to the tendency of an object to remain at rest or to move at uniform speed along a straight line.

• Acceleration

• Force

• Friction

• Inertia

Who famously measured the circumference of the Earth using shadows?

• Plato

• Eratosthenes

• Archimedes

• Ptolemy

What natural phenomenon did Eratosthenes use to measure the Earth's circumference?

• Sun shadow

• Tides

• Earthquakes

• The phases of the Moon

Which phenomenon occurs when the Moon passes directly between the Earth and the Sun, blocking sunlight?

• Lunar Eclipse

• Solar Eclipse

• Equinox

• Retrograde Motion

Why did ancient astronomers believe in a geocentric model of the universe?

• They observed the Sun and stars rising and setting around the Earth

• They measured the Earth's motion through space

• They detected gravitational forces from the Sun

• They observed planets orbiting other stars

Before the invention of telescopes, astronomers identified "wandering stars" in the night sky. What were these actually?

• Comets

• Planets

• Distant Galaxies

• Meteors

What was Tycho Brahe’s major contribution to astronomy?

• Inventing the telescope

• Recording highly accurate observations of planetary motion

• Discovering the moons of Jupiter

• Proposing the heliocentric model