Science Day 2024

In a food chain, what is the primary source of energy?

• Consumers

• Decomposers

• Producers

• Carnivores

What is the main role of decomposers in an ecosystem?

• To produce oxygen

• To break down dead organisms and recycle nutrients

• To capture sunlight for energy

• To provide food for other organisms

Which of the following is found in both animal and plant cells?

• Chloroplast

• Cell wall

• Nucleus

• Central vacuole

The process by which plants make their food using sunlight, carbon dioxide, and water.

What is the primary source of energy for almost all living things on Earth?

• Wind energy

• Solar energy

• Nuclear energy

• Geothermal energy

Which of the following is an example of kinetic energy?

• A stationary car

• A book placed on the table

• A swinging pendulum

• Water stored in a dam

What is the function of the cell wall in plant cells?

• To provide structure and support

• To control what enters and leaves the cell

• To store water and nutrients

• To produce energy from sunlight

Shadows are formed when an object blocks ___________________.

The organ that pumps blood throughout the body is called _____________.

The stage of a butterfly's life cycle where it transforms from a caterpillar is called the ___________.