Grade 4 - Reviewer about Motion and Force

What is the formula for calculating speed?

• Speed = Time / Distance

• Speed = Distance / Time

• Speed = Distance × Time

• Speed = Time × Distance

If a car travels 100 meters in 5 seconds, what is its speed?

• 5 m/s

• 20 m/s

• 100 m/s

• 500 m/s

A cyclist covers a distance of 60 meters in 10 seconds. What is their speed?

• 6 m/s

• 10 m/s

• 60 m/s

• 600 m/s

A runner completes a 200-meter race in 40 seconds. What is their speed?

• 4 m/s

• 20 m/s

• 0.5 m/s

• 2 m/s

If an object moves 150 meters in 30 seconds, what is its speed?

• 4 m/s

• 5 m/s

• 3 m/s

• 10 m/s

What type of graph represents an object's motion over time?

• Line graph

• Pie chart

• Bar chart

• Histogram

In a graph showing distance vs. time, how does a fast-moving object appear?

• The line is steep.

• The line is flat.

• The line is curved.

• The line has small ups and downs.

What does a flat line on a distance vs. time graph indicate?

• The object is moving fast.

• The object is stationary.

• The object is moving slowly.

• The object is speeding up.

In a graph showing distance vs. time, which line represents an object moving at a constant speed?

• A straight diagonal line.

•  A straight horizontal line.

• A curved line.

• A line with sharp turns.

If the graph shows a steep slope, what does this mean about the object's speed?

• The object is stationary.

• The object is moving slowly.

• The object is moving fast.

• The object is speeding up and slowing down