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