Science STAAR Review

Front

What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of dead plants and animals that have been buried and subjected to heat and pressure over millions of years. Examples include coal, oil, and natural gas.

Front

What property of soil is being tested when measuring how well it retains water?

Back

The property being tested is called water retention, which refers to the ability of soil to hold water for plants to use.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that is generated and measured by heat.

Front

How do aquatic plants adapt to their environment?

Back

Aquatic plants have adaptations such as floating leaves that allow them to absorb sunlight for photosynthesis while being submerged in water.

Front

What is the Grand Canyon an example of?

Back

The Grand Canyon is an example of erosion, specifically river erosion, where the Colorado River has carved out the canyon over millions of years.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth, including processes like evaporation, condensation, and precipitation.

Front

What is the role of scavengers in an ecosystem?

Back

Scavengers are animals that consume dead plants and animals, helping to recycle nutrients back into the ecosystem.

Front

What is soil made of?

Back

Soil is made of minerals, organic matter, water, and air. It is the upper layer of the Earth where plants grow.

Front

What is the importance of sunlight for plants?

Back

Sunlight is essential for plants as it is the primary source of energy for photosynthesis, allowing them to produce food.