Force and Motion Comprehension Test worksheet with questions on gravity, force, and motion.
A worksheet titled "Force and Motion Reading Text - Comprehension Test" with multiple-choice questions about physics concepts like gravity, force, motion, and resistance forces.
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Show Answer Key & Explanations
Step-by-step solution for: Forces and Motion Vocabulary Puzzle (Teacher-Made)
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Show Answer Key & Explanations
Step-by-step solution for: Forces and Motion Vocabulary Puzzle (Teacher-Made)
Here are the correct answers for your Force and Motion test, with a quick explanation for each one to help you understand why.
1. Pushing or pulling an object to produce motion is called...
* Answer: b. force
* *Why?* In science, any push or pull is defined as a force. Gravity is a specific type of force, but "force" is the general word for pushing or pulling.
2. Gravity _______ objects down to Earth.
* Answer: b. pulls
* *Why?* Gravity is an invisible force that pulls everything toward the center of the Earth. That’s why things fall down instead of floating away.
3. “Normal Force” pushes objects _______ to balance gravity.
* Answer: b. upward
* *Why?* Gravity pulls you down into your chair. The chair pushes back up against you so you don’t fall through it. This upward push from a surface is called the normal force.
4. The force that can stop an object in motion is called...
* Answer: a. resistance
* *Why?* Resistance forces (like friction or air pressure) work against motion. They slow things down and eventually stop them. Inertia is the tendency to *keep* moving, not stop.
5. Some resistance forces are...
* Answer: b. friction and air pressure
* *Why?* Friction happens when two things rub together (like tires on the road), and air pressure pushes against things moving through the air. Both of these resist motion. Star Wars rebels are people, not forces!
6. Things that can affect how fast or slow something moves are...
* Answer: a. resistant forces
* *Why?* Resistant forces like friction act like brakes. They take energy away from the moving object, making it go slower.
7. Inertia means a object will move in the _______ direction until another force affects it.
* Answer: a. same
* *Why?* Inertia is the rule that says objects want to keep doing exactly what they are already doing. If it’s moving straight, it wants to keep moving straight in that same direction unless something stops it or turns it.
8. If an object is not moving, it will stay that way until another force acts upon it.
* Answer: a. true
* *Why?* This is Newton's First Law of Motion. A ball sitting on the grass won’t start rolling by itself. It needs a kick (a force) to get it moving.
9. Motion is caused by...
* Answer: b. a pull or push
* *Why?* To make something start moving, stop moving, or change direction, you need to apply a force. A force is simply a push or a pull.
10. Circle ALL the things that affect how an object moves.
* Answer: b. weight
* *Why:* Weight matters because heavier objects are harder to push and harder to stop than lighter ones. Color and shape (usually) don't change how the physics of movement works in basic problems.
11. When there is no force on a object, it...
* Answer: *Note: This question is a bit tricky depending on if the object was already moving.*
* If the object was sitting still, it stays still.
* If the object was already moving, it keeps moving at the same speed.
* Looking at the options provided: a. does not move is likely the intended answer for this specific grade level if they assume the object started at rest. However, scientifically, if it was already moving, it would keep moving. Given the context of question 8, the test seems to focus on objects starting from rest. Let's look closer. Actually, usually, these tests teach that "balanced forces" mean no change in motion. If there is *no* force, and it was moving, it stays moving. If it was stopped, it stays stopped.
* Let's re-read carefully. "When there is no force on an object..."
* Option A: Does not move. (Only true if it was already stopped).
* Option B: Moves very slowly. (False, it wouldn't slow down without friction).
* Option C: Moves very quickly. (False).
* *Correction:* In many elementary contexts, they might be looking for a. does not move assuming the object is stationary. BUT, strictly speaking, inertia says it maintains its state. Let's look at Question 7 and 8. They emphasize inertia.
* Actually, let's look at the options again. There isn't an option for "keeps moving at constant speed." Between the choices, a. does not move is the most common "simple" answer expected if the object is assumed to be sitting still, BUT technically the question is flawed. However, often "no net force" implies equilibrium. Let's stick with the most likely intended answer for this level: a. does not move (assuming it started at rest) OR potentially the question implies that without a force, you can't *start* motion. Let's provide a but note that if it was already moving, it would keep going. *Self-correction*: Let's look at standard 3rd/4th grade science. They often simplify to "Force makes things move. No force, no movement/change." I will select a as the most likely intended answer for this specific worksheet style, though physically incomplete.
*Wait, let me double check standard curricula.* Often, they distinguish between "balanced forces" and "unbalanced forces." If there is NO force, it's like balanced forces. If it's sitting, it sits. If it's sliding on ice (no friction), it slides forever. Since "slides forever" isn't an option, and "moves very slowly/quickly" implies a change in speed, a. does not move is the best fit among the bad options, assuming the object is initially at rest.
12. Circle ALL the different ways something can move.
* Answer: a. roll, b. spin
* *Why?* Rolling and spinning are types of motion. Sleeping is what people do, not how objects move in physics!
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Final Answer:
1. b. force
2. b. pulls
3. b. upward
4. a. resistance
5. b. friction and air pressure
6. a. resistant forces
7. a. same
8. a. true
9. b. a pull or push
10. b. weight
11. a. does not move *(Note: This assumes the object was already stopped. If it was already moving, it would keep moving at the same speed!)*
12. a. roll and b. spin
1. Pushing or pulling an object to produce motion is called...
* Answer: b. force
* *Why?* In science, any push or pull is defined as a force. Gravity is a specific type of force, but "force" is the general word for pushing or pulling.
2. Gravity _______ objects down to Earth.
* Answer: b. pulls
* *Why?* Gravity is an invisible force that pulls everything toward the center of the Earth. That’s why things fall down instead of floating away.
3. “Normal Force” pushes objects _______ to balance gravity.
* Answer: b. upward
* *Why?* Gravity pulls you down into your chair. The chair pushes back up against you so you don’t fall through it. This upward push from a surface is called the normal force.
4. The force that can stop an object in motion is called...
* Answer: a. resistance
* *Why?* Resistance forces (like friction or air pressure) work against motion. They slow things down and eventually stop them. Inertia is the tendency to *keep* moving, not stop.
5. Some resistance forces are...
* Answer: b. friction and air pressure
* *Why?* Friction happens when two things rub together (like tires on the road), and air pressure pushes against things moving through the air. Both of these resist motion. Star Wars rebels are people, not forces!
6. Things that can affect how fast or slow something moves are...
* Answer: a. resistant forces
* *Why?* Resistant forces like friction act like brakes. They take energy away from the moving object, making it go slower.
7. Inertia means a object will move in the _______ direction until another force affects it.
* Answer: a. same
* *Why?* Inertia is the rule that says objects want to keep doing exactly what they are already doing. If it’s moving straight, it wants to keep moving straight in that same direction unless something stops it or turns it.
8. If an object is not moving, it will stay that way until another force acts upon it.
* Answer: a. true
* *Why?* This is Newton's First Law of Motion. A ball sitting on the grass won’t start rolling by itself. It needs a kick (a force) to get it moving.
9. Motion is caused by...
* Answer: b. a pull or push
* *Why?* To make something start moving, stop moving, or change direction, you need to apply a force. A force is simply a push or a pull.
10. Circle ALL the things that affect how an object moves.
* Answer: b. weight
* *Why:* Weight matters because heavier objects are harder to push and harder to stop than lighter ones. Color and shape (usually) don't change how the physics of movement works in basic problems.
11. When there is no force on a object, it...
* Answer: *Note: This question is a bit tricky depending on if the object was already moving.*
* If the object was sitting still, it stays still.
* If the object was already moving, it keeps moving at the same speed.
* Looking at the options provided: a. does not move is likely the intended answer for this specific grade level if they assume the object started at rest. However, scientifically, if it was already moving, it would keep moving. Given the context of question 8, the test seems to focus on objects starting from rest. Let's look closer. Actually, usually, these tests teach that "balanced forces" mean no change in motion. If there is *no* force, and it was moving, it stays moving. If it was stopped, it stays stopped.
* Let's re-read carefully. "When there is no force on an object..."
* Option A: Does not move. (Only true if it was already stopped).
* Option B: Moves very slowly. (False, it wouldn't slow down without friction).
* Option C: Moves very quickly. (False).
* *Correction:* In many elementary contexts, they might be looking for a. does not move assuming the object is stationary. BUT, strictly speaking, inertia says it maintains its state. Let's look at Question 7 and 8. They emphasize inertia.
* Actually, let's look at the options again. There isn't an option for "keeps moving at constant speed." Between the choices, a. does not move is the most common "simple" answer expected if the object is assumed to be sitting still, BUT technically the question is flawed. However, often "no net force" implies equilibrium. Let's stick with the most likely intended answer for this level: a. does not move (assuming it started at rest) OR potentially the question implies that without a force, you can't *start* motion. Let's provide a but note that if it was already moving, it would keep going. *Self-correction*: Let's look at standard 3rd/4th grade science. They often simplify to "Force makes things move. No force, no movement/change." I will select a as the most likely intended answer for this specific worksheet style, though physically incomplete.
*Wait, let me double check standard curricula.* Often, they distinguish between "balanced forces" and "unbalanced forces." If there is NO force, it's like balanced forces. If it's sitting, it sits. If it's sliding on ice (no friction), it slides forever. Since "slides forever" isn't an option, and "moves very slowly/quickly" implies a change in speed, a. does not move is the best fit among the bad options, assuming the object is initially at rest.
12. Circle ALL the different ways something can move.
* Answer: a. roll, b. spin
* *Why?* Rolling and spinning are types of motion. Sleeping is what people do, not how objects move in physics!
──────────────────────────────────────
Final Answer:
1. b. force
2. b. pulls
3. b. upward
4. a. resistance
5. b. friction and air pressure
6. a. resistant forces
7. a. same
8. a. true
9. b. a pull or push
10. b. weight
11. a. does not move *(Note: This assumes the object was already stopped. If it was already moving, it would keep moving at the same speed!)*
12. a. roll and b. spin
Parent Tip: Review the logic above to help your child master the concept of force and motion worksheets.
