Which of the following is an example of a renewable energy source?

What is the study of the Earth's rocks and minerals called?

Which of the following is a non-renewable resource?

What is the study of the relationship between organisms and their environment called?

What is the study of the Earth's past life called?

Which of the following is a renewable resource?

What is the study of the Earth's oceans called?

Which of the following is an example of a physical change?

What is the study of the Earth's atmosphere and weather called?

Which of the following is a primary color of light?

What is the study of the Earth's physical structure and substance called?

What is the process by which plants convert sunlight into food called?

Which of the following is a greenhouse gas?

What is the study of stars and celestial objects called?

Which of the following is a renewable energy source?

What is the smallest unit of matter?

Which gas makes up the majority of the Earth's atmosphere?

What is the force that pulls objects towards the center of the Earth?

What is the study of living organisms called?

Which of the following is a type of electromagnetic radiation?