What is the invisible pull that Earth has, which makes things fall down toward it?

• Friction

• Gravity

• Inertia

• Air Resistance

Which force pulls any two objects with mass toward each other, like the Earth and the Moon?

• Friction

• Gravitation

• Spring Scale

• Direction

What is the force that happens when two surfaces rub against each other, slowing down motion?

• Gravity

• Friction

• Inertia

• Mass

What is a change in the position of an object over time called?

• Mass

• Motion

• Force

• Direction

What term describes how much matter is in an object?

• Force

• Mass

• Direction

• Inertia

When all forces acting on an object are equal and the object doesn’t move or keeps moving the same way, what is this called?

• Unbalanced

• Balanced

• Friction

• Air Resistance

What happens when forces on an object are not equal, causing the object to start moving, stop, or change direction?

• Balanced

• Unbalanced

• Gravity

• Inertia

What is the path something is moving or facing, like north, south, left, or right?

• Direction

• Motion

• Force

• Mass

Where one object is compared to another object, like “next to,” “above,” or “behind,” is called what?

• Relative Position

• Balanced

• Friction

• Inertia

What tool measures force, like weight, using a spring?

• Spring Scale

• Ruler

• Thermometer

• Stopwatch