Science Post test most missed

Front

What is an independent variable?

Back

An independent variable is a factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What happens when energy is transferred between objects?

Back

When energy is transferred between objects, it can change their motion, causing one object to move or change speed.

Front

How can you determine which hiker will finish a distance first based on speed?

Back

The hiker with the highest speed will finish the distance first, as speed determines how quickly distance is covered.

Front

What is the role of leaves in a plant?

Back

Leaves make food for the plant through the process of photosynthesis.

Front

How do tides relate to the phases of the Moon?

Back

The difference between high and low tide is biggest when the Earth, Moon, and Sun are in a line.

Front

What is the definition of motion?

Back

Motion is the change in position of an object over time.

Front

What is the purpose of a control in an experiment?

Back

A control is used to provide a standard for comparison in an experiment.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to make food from carbon dioxide and water.

Front

What is the difference between speed and velocity?

Back

Speed is how fast an object is moving, while velocity includes both speed and direction.

Front

What is a hypothesis?

Back

A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.