chatgpt

Which data set best represents uniform acceleration?

Equal velocity increases per time

Which setup correctly converts kilometers to meters?

× 1000

Which prefix means one-hundredth in the metric system?

Centi

In a distance-time graph

what does a downward sloping line show?

What is the basic process that captures solar energy in living things?

Photosynthesis

Why is dimensional analysis reliable for unit conversion?

It ensures dimensional consistency

Which unit is used to measure time in the SI system?

Second

Which situation shows incorrect unit conversion reasoning?

Multiplying unlike units

How many centimeters are in 4 meters?

400 cm

Why must conversion factors equal one in dimensional analysis?

To avoid changing value

Convert 2

500 grams to kilograms.

The lungs working with the diaphragm is an example of a _.

Organ system

Which conversion requires two dimensional analysis steps?

m to cm

Which situation best describes deceleration?

Decreasing speed

A less steep distance-time graph means the object is moving with

Less speed

Which velocity-time graph indicates deceleration?

Downward sloping line

What is the SI unit for temperature?

Kelvin

Converting inches to centimeters first requires which action?

Identify correct factor

A bicycle travels 150 m in 10 s. What is its speed?

15 m/s

A student divides by 100 instead of multiplying when converting meters to centimeters. What error occurred?

Wrong operation

A 150 mm wire is how long in centimeters?

15 cm

How many feet are approximately in 1 yard?

3 feet

Which graph best represents constant velocity?

Sloped straight line on a d-t graph

What does speed measure that velocity does not?

Magnitude only

A bird flies 50 m north

then 50 m south. What is the total displacement?

How does the Sun's energy reach carnivores?

Through food chains

Why is a population more organized than an organism?

Includes multiple organisms

Herbivores obtain solar energy mainly through __ .

Eating plants

Which sequence shows correct biological organization from smallest to largest?

Cell → Tissue → Organ

Which level comes directly before organs?

Tissue