PSSA science sampler 2024

Front

What is photosynthesis?

Back

Photosynthesis is the process by which trees and plants use the Sun’s energy to convert water and carbon dioxide into glucose and oxygen.

Front

What is geothermal energy?

Back

Geothermal energy is heat energy generated and stored in the Earth, which can be used for heating and electricity.

Front

What are renewable resources?

Back

Renewable resources are natural resources that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

Front

What are nonrenewable resources?

Back

Nonrenewable resources are resources that do not replenish at a sustainable rate, such as fossil fuels and minerals.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the role of mass in motion?

Back

Mass affects the motion of an object; heavier objects require more force to move and may travel different distances compared to lighter objects.

Front

What is a pest repellent?

Back

A pest repellent is a substance or method used to deter pests from damaging crops or plants.

Front

What is the importance of biodiversity in ecosystems?

Back

Biodiversity contributes to ecosystem resilience, productivity, and stability, allowing ecosystems to adapt to changes.

Front

What is the difference between chemical and natural pest control?

Back

Chemical pest control uses synthetic substances to kill pests, while natural pest control uses biological methods, such as planting companion plants.

Front

What is the impact of pollution on the environment?

Back

Pollution can harm ecosystems, reduce biodiversity, and negatively affect human health and the climate.