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Quizzes > Science > Physics

Force and Motion Quiz for 3rd Graders - Test Your Science Skills

Think You Can Ace This 3rd Grade Science Quiz on Force and Motion?

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Bright paper cut shapes on dark blue background illustrate gravity push pull and motion quiz for third grade science learners

Welcome to our Fun Force and Motion Quiz for 3rd graders! This free force and motion quiz is the perfect 3rd grade science quiz to test your skills in gravity, push, pull, and more. Dive into elementary science trivia and tackle engaging science questions for 3rd graders. You'll practice real-life examples - from a falling apple to a zooming skateboard - and unlock your inner scientist as you explore Newton's laws, including Newton's third law, in a hands-on way. Click to try our interactive motion quiz and challenge yourself with fun force and motion questions . Whether you're a budding explorer or love science adventures, discover the excitement of force and motion for kids. Jump in now and prove you're a science superstar!

What do we call a push or a pull on an object?
A material that moves
A type of energy
A push or pull on an object
A squeezing action
A force is defined as any push or pull on an object. It can cause an object to start moving, stop moving, or change its direction of motion. Forces are measured in newtons. Science Kids: Forces
Which force pulls objects toward the center of the Earth?
Friction
Gravity
Magnetism
Electricity
Gravity is the force that pulls objects toward the center of the Earth. It keeps us on the ground and causes objects to fall when dropped. Gravity acts between all objects that have mass. Science Kids: Gravity
If you push a toy car, what are you applying to it?
Energy
Motion
Speed
Force
When you push a toy car, you apply a force to it. This force can cause the car to start moving or change its speed or direction. Force is any push or pull on an object. Ducksters: Force
What word describes the change in position of an object?
Force
Motion
Mass
Friction
Motion is the term used to describe the change in position of an object over time. When something moves from one place to another, it is in motion. Without motion, objects remain at rest. BBC Bitesize: Motion
What happens to an object when all forces acting on it are balanced?
It does not change its motion
It slows down
It changes direction
It speeds up
When forces on an object are balanced, they cancel each other out, so there's no change in the object's motion. If the object was at rest, it stays at rest; if it was moving, it keeps moving at the same speed and direction. Balanced forces mean no net force acts on the object. Science Kids: Balanced Forces
Which force opposes the motion between two surfaces that are in contact?
Gravity
Friction
Inertia
Magnetism
Friction is the force that opposes or resists the motion of one surface sliding against another. It can slow down or stop moving objects. Friction depends on the types of surfaces and how hard they push together. Science Kids: Friction
Which law states that an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force?
Newton's First Law
Newton's Second Law
Law of Gravity
Newton's Third Law
Newton's First Law, also known as the law of inertia, explains that objects keep doing what they're doing unless a net force makes them change. A resting object remains at rest, and a moving object continues to move at the same speed and direction. This law highlights the concept of inertia. Ducksters: Newton's Laws
What type of force makes a magnet stick to a refrigerator?
Magnetic force
Gravitational force
Electric force
Frictional force
Magnetic force is the attraction or repulsion that occurs between electrically charged particles due to their motion. A magnet sticks to a refrigerator because the fridge door has ferromagnetic materials that are attracted by the magnet's field. This force does not need direct contact with the earth like gravity. Ducksters: Magnetism
If you push a box with a force of 5 newtons to the right and someone else pushes with 3 newtons to the left, what is the net force on the box?
5 newtons to the right
8 newtons to the right
2 newtons to the right
2 newtons to the left
Net force is the overall force acting on an object after all the individual forces are combined. Here, 5 N to the right minus 3 N to the left equals 2 N to the right. This unbalanced force will cause the box to accelerate to the right. Science Kids: Net Force
Which term describes an object's resistance to changes in its motion?
Inertia
Velocity
Mass
Momentum
Inertia is the tendency of an object to resist changes in its state of motion. The more mass an object has, the greater its inertia, meaning it's harder to change its motion. This concept is described in Newton's First Law of Motion. Ducksters: Inertia
How does the acceleration of an object change if the net force on it is increased while its mass stays the same?
Object stops moving
Acceleration increases
Acceleration stays the same
Acceleration decreases
According to Newton's Second Law, acceleration is directly proportional to the net force applied to an object when its mass is constant. This means if the force increases, the acceleration increases. Mathematically, a = F/m. Ducksters: Newton's Second Law
What is the acceleration of a 10 kg object when a net force of 20 newtons is applied to it?
2 m/s²
0.5 m/s²
20 m/s²
200 m/s²
Using Newton's Second Law of Motion (a = F/m), the acceleration equals the net force divided by the mass. Here, a = 20 N ÷ 10 kg = 2 m/s². This calculation shows how force and mass affect acceleration. Science Kids: Newton's Second Law
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Study Outcomes

  1. Identify gravitational effects -

    Explain how gravity pulls objects toward Earth and recognize its impact in everyday life.

  2. Differentiate push and pull forces -

    Distinguish between pushing and pulling actions and predict how each changes an object's motion.

  3. Explain motion changes -

    Describe how forces make objects start, stop, speed up, or change direction in simple situations.

  4. Apply force concepts -

    Use knowledge of forces to predict outcomes in real-world examples, such as sliding toys or rolling balls.

  5. Analyze everyday scenarios -

    Evaluate common activities to identify different types of forces and their effects on movement.

  6. Demonstrate science confidence -

    Complete the quiz questions to reinforce learning and build confidence in elementary force and motion concepts.

Cheat Sheet

  1. The Basics of Force: Push and Pull -

    A force is any push or pull on an object, and it makes things start, stop, or change direction (NASA Elementary STEM). For example, you push a swing forward or pull a wagon toward you to see motion in action, and you can remember it with the phrase "Push or pull sets things in motion."

  2. Gravity: Earth's Invisible Pull -

    Gravity is a force that pulls objects toward Earth's center, giving everything weight (BBC Bitesize). You can calculate weight with the formula W = m × g, where m is mass and g is about 9.8 N/kg, and seeing an apple fall is a classic real-world example.

  3. Motion Means Change in Position -

    Motion happens when an object changes its position over time, whether it moves in a straight line, curves, or spins (National Science Teaching Association). Riding your bike down the street shows straight-line motion, while a spinning top demonstrates rotational motion.

  4. Friction: The Force That Slows Things Down -

    Friction is a resistance force that acts between two surfaces in contact, making it harder to slide or roll objects (University Physics Journals for Kids). For instance, wheels roll easily on smooth pavement but slow down on carpet, and you can think "friction feels like brakes" to remember its effect.

  5. Balanced vs. Unbalanced Forces -

    When multiple forces on an object cancel out, they are balanced and the object stays still or moves at constant speed; if they don't cancel, they are unbalanced and cause acceleration (Science Learning Hub). Think of a tug-of-war - if both sides pull equally, the rope doesn't move, but an extra pull on one side makes it slide.

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