Chemical Change Identification

Front

Identify which of the images shows a chemical change and use one of the 7 reasons to explain why it is a chemical change.

Back

The image where a new substance is formed, indicating a chemical change.

Front

Average speed is calculated by dividing ______ by ______.

Back

distance; time

Front

Distinguish between speed and velocity in linear motion in terms of distance, displacement, and direction.

Back

Velocity includes direction, speed does not.

Front

How can the motion of two marbles be compared?

Back

Observing their speed and direction.

Front

How can you compare the motion of the two marbles?

Back

The marbles have different masses and potential energy. They have different speeds and different velocities, so their motion down the ramp is not the same.

Front

Why should you use evidence when selecting A, B, or C?

Back

Evidence supports your choice and makes your argument stronger.

Front

What does speed refer to? Fill in the blank: Speed refers to ___.

Back

how fast something is moving or the distance an object travels in a certain amount of time

Front

Which of the following animals has greater speed? Options: House cat, Cheetah, Bicycle, Human

Back

Cheetah

Front

You will use scientific instruments to measure and record distance and time data.

Back

True

Front

To determine the average speed of a moving object, you need to collect which of the following data?

Back

The distance traveled and the time taken