Simple Machines
Scientific Method
Angles
Vocabulary
Levers/Catapults
100

The simple machine that makes a string/rope change direction?

What is a pulley?
100

In this step, you make an educated guess.

What is hypothesize or hypothesis.

100
This angle measures MORE than 90°.

What is an obtuse angle.

100

This is what you call making something move.

What is work.

100

This is the part of the lever that the beam moves on.

What is a fulcrum?
200

The simple machine that uses a long beam that pivots on a fulcrum.

What is a lever?

200

In this step, you explain the results by presenting everything you did.

What is Share Results.

200

This angle measures exactly 90°.

What is a right angle.

200

What is when you look over something again in order to correct or improve.

What is revision or revising?

200

The smallest person was able to lift Mr. Gru because of this.

What is spreading the force over a greater distance?

300

The simple machine that makes two objects move apart, or holds something in place.

What is a wedge.

300

In this step, you decide if your hypothesis was correct.

What is Analyze?

300

This angle measures 180°.

What is a straight angle or line.

300

The energy that makes molecules move.

What is heat?

300

This type of lever has the effort at one end, the fulcrum at the other, and the load in the middle.

What is a class 2 lever?

400

This is the simple machine that allows you to move an object up a slope to make it easier.

What is an incline plane.

400

In this step, you test your hypothesis.

What is experiment?

400

This angle measures LESS than 90°.

What is an acute angle.

400

Resistance to movement.

What is friction?

400

This is the part of a catapult that provides support and structure.

What is the frame?

500

This simple machine is found on all cars.

What is a wheel and axel.

500

In this step, you make careful observations and write down what happens.

What is Observe & Record.

500

This is the too you use to measure angles.

What is a protractor.
500

The energy needed to do work.

What is force?
500

This class of lever has the effort/force BETWEEN the fulcrum and the load.

What is a class 3?

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