FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

MATTER (CHANGES) EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -9 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Photosynthesis is an important chemical reaction on earth.

Answer:

True

Question 2: In a chemical change, the same substance is formed.

Answer:

False

Question 3: A physical change is a change in size, shape or phase of matter,

without the matter changing chemically.

Answer:

True

Question 4: Chemical changes occur at the same speeds.

Answer:

False

Question 5: Matter always stays the same.

Answer:

False Question 6: The ability to burn is a chemical property called "flammability."

Answer:

Truse

Question 7: Chemical reactions occur when two or more substances combine

to form a new substance.

Answer:

True

Question 8: A chemical change is a process by which a certain substance

becomes a different substance.

Answer:

True

Question 9: In a physical change, matter cannot change its shape.

Answer:

False