Physics 1.1 - Types of Energy

We want to see what happens to a ball after being kicked.

Can the ball be called the SYSTEM?

• Yes.

• No.

Answer explanation

The SYSTEM is always what we are watching, observing, or investigating.

We want to see what happens to a ball after being kicked.

Is the ball the SURROUNDING?

• Yes.

• No.

Answer explanation

The SURROUNDING is everything else that we are not watching, observing, or investigating.

We want to see how far a rubber band can stretch before breaking.

Can the rubber band be called the SYSTEM?

• Yes.

• No.

Answer explanation

The SYSTEM is always what we are watching, observing, or investigating.

We want to see how far a rubber band can stretch before breaking.

Is the rubber band the SURROUNDING?

• Yes.

• No.

Answer explanation

The SURROUNDING is everything else that we are not watching, observing, or investigating.

We want to how many times a basketball will bounce when dropped from different heights.

Is the basketball the SURROUNDING?

• Yes.

• No.

Answer explanation

The SURROUNDING is everything else that we are not watching, observing, or investigating.

We want to how many times a basketball will bounce when dropped from different heights.

Is the SURROUNDING everything other than the basketball?

• Yes.

• No.

Answer explanation

The SURROUNDING is everything else that we are not watching, observing, or investigating.

Scientists can't observe energy DIRECTLY.

Does this mean that they can't see energy by looking at it?

• Yes.

• No.

Answer explanation

Energy can't be seen. We have to look at how energy changes something.

Example: If you kick a ball, how has the ball changed?

We can't see the energy, but we can see the change in the ball.

Scientists can't observe energy DIRECTLY.

Does this mean that a scientist can see energy by looking at it?

• Yes.

• No.

Answer explanation

Energy can't be seen. We have to look at how energy changes something.

Example: If you kick a ball, how has the ball changed?

We can't see the energy, but we can see the change in the ball.

Scientists can only observe energy INDIRECTLY.

Does this mean that a scientist can see energy?

• Yes.

• No.

Answer explanation

Energy can't be seen. We have to look at how energy changes something.

Example: If you kick a ball, how has the ball changed?

We can't see the energy, but we can see the change in the ball.

Scientists can only observe energy INDIRECTLY.

Does this mean that they can't see energy?

• Yes.

• No.

Answer explanation

Energy can't be seen. We have to look at how energy changes something.

Example: If you kick a ball, how has the ball changed?

We can't see the energy, but we can see the change in the ball.