State Test Practice Science 1

Question 1

What is photosynthesis?

Accepted Answer

The process by which plants convert sunlight, water, and CO₂ into glucose and oxygen

Answer

Photosynthesis is the process plants use to make food using light energy, carbon dioxide, and water.

Question 2

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

Accepted Answer

Cutting paper

Answer

Cutting paper changes only the shape, not the chemical composition, making it a physical change.

Question 3

What is Newton's First Law of Motion?

Accepted Answer

An object in motion stays in motion unless acted upon by an external force

Answer

Newton's First Law, the law of inertia, states that objects maintain their state of rest or motion unless an unbalanced force acts on them.

Question 4

Which part of the cell is responsible for producing energy through cellular respiration?

Accepted Answer

Mitochondria

Answer

The mitochondria, often called the 'powerhouse of the cell,' converts glucose and oxygen into ATP energy.

Question 5

What type of rock forms from cooled magma or lava?

Accepted Answer

Igneous

Answer

Igneous rocks form when molten rock (magma underground or lava above ground) cools and solidifies.

State Test Practice Practice Test