3rd Science Ch1 Study Guide

What is a force?

• A) A type of energy

• B) A push or pull

• C) A type of matter

• D) A type of sound

What evidence shows that a force has acted on an object?

• A) The object changes color

• B) The object makes a sound

• C) The object starts moving or stops moving

• D) The object becomes heavier

What do scientists pay attention to in order to understand how something works?

• A) The color of the object

• B) The size of the object

• C) The changes in the object

• D) The sound the object makes

What is the key concept related to the interaction between two objects?

• A) They change color

• B) They produce sound

• C) A force acts between them

• D) They become heavier

Why is it important for scientists to understand how and why something changes?

• A) To make the object bigger

• B) To figure out how something works

• C) To change the color of the object

• D) To make the object lighter

What happens when an object starts moving or stops moving?

• A) It changes color

• B) It makes a sound

• C) It shows that a force has acted on it

• D) It becomes heavier

What is the chapter 1 question?

• A) Why does the train stop?

• B) Why does the train rise?

• C) Why does the train change color?

• D) Why does the train make a sound?

What is the definition of force given in the vocabulary section?

• A) A type of energy

• B) A type of matter

• C) A push or pull

• D) A type of sound

What is one of the key concepts mentioned in the document?

• A) A force changes the color of objects

• B) A force acts between two objects

• C) A force makes objects heavier

• D) A force produces sound

What is the additional note about scientists?

• A) Scientists pay attention to the color of objects

• B) Scientists pay attention to the size of objects

• C) Scientists pay attention to change

• D) Scientists pay attention to the sound of objects