1st Semester Review

Front

If a line on a distance-time graph is steep, what can be said about the object's speed?

Back

The object is moving quickly.

Front

A car travels 150 kilometers in 3 hours. What is its average speed?

Back

50 km/h

Front

Which of the following is an example of an element?

Back

Oxygen (O)

Front

Which of the following is NOT a property of aqueous solutions?

Back

They are always clear and colorless.

Front

Which of the following statements is true about elements and compounds?

Back

Compounds are substances made from two or more different elements chemically bonded together.

Front

What is the formula for calculating average speed?

Back

Average Speed = Total Distance / Total Time

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is an electrolyte?

Back

A substance that produces an electrically conducting solution when dissolved in water.