Gravity
Observations, Inferences, and Predictions
Friction
Thinking Like a Scientist
Everyday Forces
Random But Important
100

The attractive force between all objects with mass

Gravity

100

The blue car hit the green car.

Inference

100

The opposing force against motion between two objects in contact with each other

Friction

100

Step 1 of the Scientific Method

100

A push or a pull required for movement

Force

100

Which has a stronger gravitational force?

The Earth

200

Gravity is always a ______ NEVER a ________

Pull, Push

200

The girls are dressed as cats

Observation

200

When an two objects are in contact with each other but neither object is moving.

Static Friction

200

Step 2 of the Scientific Method

Background Research

200

What Force is being shown??

Buoyant Force

200

What is the final step of the Scientific Method?

Share Results

300

The amount of matter that makes up an object

Mass

300

The man will break his leg

Prediction

300
An object that is traveling through a liquid or gas it will experience ..

Fluid Friction

300

Step 3 of the Scientific Method

Make a Hypothesis

300

The attractive or repelling force exerted by certain metals on other metals

Magnetic Force

300

This very famous scientist studied how all objects in our universe move.

Sir Issac Newton

400

The measure of the amount of gravitational force acting on an object

Weight

400

Using your senses to describe an event, how something looks, feels, smells, tastes, and sounds,

All statements of facts.

Observations

400

Kids are taking sleds down a large hill after a snow storm, they are experiencing.....

Sliding Friction

400

Step 4 of the Scientific Method

Test/Experiment

400

What type of force are the people on this roller coaster experiencing??

Centripetal Force

400

An Astronaut who weighs 180 pounds on Earth, travels to the moon, how much will he weigh there?

30 pounds

500

Gravity depends on two factors

1. Mass of the objects

2. Distance between the objects

500

Educated guess about what has happened or what is currently happening

Inferences

500

Pushing a grocery cart around the store is an example of ..

Rolling Friction

500

Step 5 of the Scientific Method

Collect/Analyze Data

500

The attractive force between opposite charges and the repulsive force between like charges

Electric Forces

500

What is the name of the principle that explains how lift is generated?

Bernoulli's Principle

600

When a skydiver has a zero net force acting on them, they are still moving but no longer accelerating, this is called.....

Terminal Velocity

600

Educated guess about what will happen based on background knowledge, and observations

Predictions

600

Friction is dependent upon ....

the type of surface

the two objects in contact with each other

600

Step 6 of the Scientific Method

Conclusion

600

Name the action/reaction pair of forces that are working together in Terminal Velocity?

Gravity and Air Resistance

600

The principle that states, the buoyant force is equal to the weight of the fluid that has been displaced, is known as?

Archimedes Principle