This is an example of a _____

This is an example of a _______

a force exerted between the surfaces of objects in contact with one another

A force that pulls objects toward Earth is ________

When an object is NOT in motion, the object is at __________

The picture represents a forces exerted on opposite sides of an object that are not equal in strength.

These forces are...

These forces are...

The sum of all forces acting on an object.

A lamp sitting on a table.

What is the net force?

What is the unit used when measuring force?

Which direction will the box move? 

This type of force between 2 surfaces rubbing on each other is _________.

An icy sidewalk will have ______ friction.

Newton said that an object at rest stays at rest, with which law?

If we put the same force on a bowling ball and a soccer ball, the soccer ball will move faster! Which law explains this?

Which law explains that it would take more force to push the car than the lawnmower?

Suppose an Astronaut floating in space throws a rock. What will happen to the rock?

Define Inertia

_____ is a change in an object's position.

The _____ of an object is how fast an object's position changes over time.

_____ is the speed and direction oof an object.

A change in velocity over time is called _____.

What force pulls us toward Earth?

What force stops objects from moving forever in the same path?

When you sit in your chair are the forces balanced or unbalanced?

When you get up from your chair are the forces balanced or unbalanced?

When playing tug of war and neither side moves, forces are ______.

Objects can move without some force applied to them.

A _____ is any push or pull.

Which takes more work?

If you drop a ball it is in motion. The forces acting on the ball are unbalanced.

More than one force can be applied to objects, resulting in balanced and unbalanced forces.

Work is what takes to move an object over a distance.

____ is the tendency of an object in motion to stay in motion.

_____ is the ability to do work.

What is kinetic energy?

What is potential energy?

What is energy transfer?

Plants change chemical energy to which type of energy?

Batteries change chemical energy to which type of energy?

Bananas change chemical energy to which type of energy?

fire changes chemical energy to which type of energy?

What is the energy source of a solar panel?

What is the energy source of a windmill?

What is the energy source of a propane tank?

A ____ occurs when two or more objects hit each other with force.

A moving object doesn't transfer energy when it comes in contact with another object.

Making an object faster or heavier results in more energy transfer.

In a collision, some energy is converted into ___ and ___.

Do moving objects have energy?

Only humans use energy.

If 2 cars, a heavy one and a light-weight one, were moving with the same push, which care would travel the shorter distance?

A steeply sloping track will cause a car to move _______ than a gently sloping or flat track.

When mass is added to a moving object, the object will ________.

If a toy car was moving across a smooth surface and then moved onto a rough surface, the toy car would ________.

If you were to kick 2 balls that were different sizes, and you wanted them to roll at the same speed, the ball with ______ mass would require more force.

If a car is traveling at a speed of 100 kilometers and suddenly it starts to go faster, you can predict that an outside ______ caused the _______ in speed.

If a girl is pushing a box across the floor and her friend decides to help, the result would be that the box moved ________.

A stiff bar that turns on a point called a fulcrum. These are used to lift heavy loads.

Example: see-saw

An axle is a rod in the center of a wheel. Wheels and Axles help objects faster and easier. Examples include: __________

A wheel with a groove that holds a rope or chain. They are used for moving, lifting, or pulling. Example: An elevator

A surface that slopes and is used to move a load up or down.

Example: a ramp

An inclined plane wrapped around a cylinder. These are used to join, grip, and lift objects.

A wedge is an object with one or two sloping sides used for cutting, splitting, or pushing.

Give an example.

Forces can cause a moving object to speed up, slow down, change direction or stop.

Forces can NOT cause an object to change shape.

The _______ the force, the greater the change it can cause to the motion of the object.

_______ forces cause smaller changes.

Sometimes two forces can act together in a way that does not cause a change in motion. This is called ________.

This pictures shows an example of equal forces on both directions of the box; therefore, there is NO change in motion.

This is an example of ________.

_________ forces are forces that cause a change in motion.

Example: kicking a football

_______ is a force of attraction between two objects and acts even when objects are not touching.

The size of the force of gravity ________ as the mass of the objects increase.

The force of gravity ________ as the distance between the objects increases.

If Earth's gravity did not act on the Moon, the Moon would fly off into space in a straight line.

TRUE or FALSE

Astronauts can jump higher on the Moon that on Earth because there is ______ gravity on the Moon than on Earth.

A car is moving at a speed of 60 kilometers per hour (kph). Its speed then increases to 75 kph. The car __________.

An object is moving at a constant speed. The object then changes directions and continues moving at the same speed. The reason that it changed direction was that an OUTSIDE force acted upon it.

TRUE or FALSE

A pitcher throws a baseball towards a batter. The batter hits the ball and sends it flying toward first base.

What caused the ball to change direction?

Rohan wants a toy car to be in a motion. He will apply

Which among the following activities show a pull action?

The force exerted by the earth to pull the object towards itself is called-

Force changes the-

Amit was telling something to Harish. But Harish could not hear him. Choose the medium through which sound does not reach to Harish-

On the _______ side of light source, shadow is formed.

An ______ is caused by sound waves bouncing off object.

Choose the correct option

Choose the incorrect match

Which of the following is not an example of the effects of force?

Light travels in a _______.

A ______ is a dark outline of an opaque object that blocks light coming from source.

Sound waves travel slowest in the medium

The form of energy that makes the object vissile -

Select the incorrect statement-

A boy hit a ball, the ball rolls for sometima and soon it stops. Boy asked his father about the reason the ball stops due to-

The force applied by our muscles is ______ force.

The sound occur on burning of fire crackers is -

We Produce __________ when we speak.

Light giving Objects are Called ___________ objects.

Which of the following is a Non-Luminous objects

Sounds are produced when an object ____.

The size of a shadow changes due to change in the ___________ of the sun.

Fire flies and glow-worms which glow at night examples of ______

Friction is a force that ______ against an object to slow its motion.

Which force also produces heat?

Shadows are longest during _______.

Based on the shadow, what time of day is it?

Where will the tree's shadow be?

In a dark room, a white light source shines a beam of light through a triangular hole to cast light on the screen.

There is a transparent blue glass block between the triangular hole and the screen.

Which of the following image will be shown on the screen?