1.
ISO
What is the process by which a plant uses sunlight, water, and carbon dioxide to make food?
2.
ISO
What is the outermost layer of the Earth called?
3.
ISO
Which of the following is an example of a natural magnet?
4.
ISO
Which of the following is the main function of the heart?
5.
ISO
Which of the following is an example of a mammal?
6.
ISO
Which of the following is a conductor of electricity?
7.
ISO
Which of the following is a renewable resource?
8.
ISO
What is the process by which a liquid changes into a solid called?
9.
ISO
Which of the following is a natural source of light?
10.
ISO
What is the process by which plants release oxygen into the air?