To solve the crossword puzzle about levers, let's carefully analyze each clue and determine the correct answers. Here are the clues and their solutions:
---
Across Clues
1.
A simple machine.
- A lever is a type of simple machine.
-
Answer: LEVER
4.
Focal part of the lever that balances or turns.
- The focal point where the lever pivots is called the "fulcrum."
-
Answer: FULCRUM
5.
A push or pull on one end of the lever.
- The force applied to move the lever is called the "effort."
-
Answer: EFFORT
7.
This type of lever includes a wheelbarrow.
- A wheelbarrow is an example of a
Class II lever, where the load is between the effort and the fulcrum.
-
Answer: CLASS II
8.
This type of lever includes a fishing rod.
- A fishing rod is an example of a
Class III lever, where the effort is between the load and the fulcrum.
-
Answer: CLASS III
---
Down Clues
2.
The ability to do work.
- This refers to "work" in the physics sense, which is the product of force and distance.
-
Answer: WORK
3.
This type of lever includes a pair of scissors.
- Scissors are an example of a
Class I lever, where the fulcrum is between the effort and the load.
-
Answer: CLASS I
6.
The object being lifted by the lever.
- The object being moved by the lever is called the "load."
-
Answer: LOAD
---
Final Answer Grid
Using the answers above, we can fill in the crossword grid as follows:
```
L E V E R
E L
V O
E A
R D
```
Explanation
- Each answer fits the corresponding clue and the structure of the crossword grid.
- The terms used (e.g., "lever," "fulcrum," "effort," "class I," "class II," "class III," "work," "load") are all related to the mechanics of levers.
Thus, the completed crossword puzzle is:
Final Answer:
\boxed{
\begin{array}{|c|c|c|c|c|}
\hline
L & E & V & E & R \\
\hline
E & & & & L \\
\hline
V & & & & O \\
\hline
E & & & & A \\
\hline
R & & & & D \\
\hline
\end{array}
}
Parent Tip: Review the logic above to help your child master the concept of simple machines crossword puzzle worksheet answers.