Human Organ Systems
Heat & Energy
Light Energy
Sound Energy
Water Cycle
100

What organ is part of the human respiratory system?

Lungs

100

Which statement correctly compares burning and friction as sources of heat energy?

Burning involves chemical energy, while friction involves mechanical energy

100

How did Newton's work with prisms contribute to our understanding of light?

It proved that white light is made up of different colors

100

How does the length of a musical instrument's string affect the pitch of the sound it produces?

Shorter strings produce higher pitch

100

How does the sun's energy initiate the process of evaporation in the water cycle?

By causing water to change from liquid to gas

200

What is the main function of the heart in the human body?

To pump blood

200

Which of the following best describes the role of an insulator in an electrical circuit?

It prevents the flow of electricity

200

What happens to the visibility of an object when it is placed in complete darkness?

It becomes less visible or invisible

200

How does an increase in the frequency of vibrations affect the pitch of the sound?

The pitch gets higher

200

Which of the following explains how condensation occurs in the water cycle?

Water vapor rises and cools, forming liquid water droplets

300

Which organ systems are responsible for movement and coordination?

Skeletal and Muscular

300

When a heater is turned on, electrical energy is transformed into which form of energy to warm up a room?

Heat energy

300

what happens to light when it strikes a mirror?

It is reflected

300

What happens to the volume of sound when the amplitude of vibrations increases?

The volume increases

300

What part of the water cycle is when water flows over the surface of the land towards rivers, lakes,and oceans?

Runoff

400

What type of disease is the flu?

Infectious disease

400

In a model of a simple circuit, what is the role of the battery?

It supplies energy to the circuit

400

Which of the following is an example of an opaque material?

Wood

400

Who is credited with inventing the telephone and significantly contributing to the science of sound?

Alexander Graham Bell

400

What part of the water cycle is when plants releases water vapor into the air through their leaves?

Transpiration

500

Why is mental health important for overall well-being?

It supports emotional and psychological stability

500

Which of the following best describes the purpose of a solar oven?

To convert light energy into heat energy

500

In a scientific investigation, you shine a light on a piece of frosted glass. What behavior of light would you observe?

Light passes through but is diffused

500

Who discovered that strings vibrate at many different frequencies?

Daniel Bernoulli

500

What part of the water cycle is when water is underground and feeds into rivers and lakes?

Groundwater