Grade 11 Earth Science Quiz

What is meant by the physical characteristics of a rock?

• How the rock tastes

• The elements that make up the rock

• Observable features like color, texture, and hardness

• How the rock reacts with acid

Which of the following is a chemical characteristic of a rock?

• Streak color

• Reaction with hydrochloric acid

• Grain size

• Luster

Which property helps identify the physical texture of a rock?

• Ability to fizz in acid

• Feel or appearance of the surface (smooth, rough, grainy)

• Type of elements inside the rock

• Presence of fossils

Which test helps determine a chemical property of limestone?

• Dropping vinegar or acid on it to observe fizzing

• Scratching it with a nail

• Checking its color

• Observing its shape

What does it mean if a rock reacts with acid?

• It is made of volcanic materials

• It contains metallic minerals

• It has a chemical composition that includes carbonate minerals

• It is likely a metamorphic rock

Which of the following is NOT a physical property of rocks?

• Color

• Texture

• Mineral composition

• Chemical reactivity

How does grain size help identify a rock's physical characteristic?

• It tells how old the rock is

• It shows how smooth the rock feels

• It indicates whether the rock formed from lava or sediment

• It measures how heavy the rock is

What is the best way to describe a rock's chemical composition?

• Its size and weight

• The combination of minerals and elements it contains

• The tools used to break it

• The environment where it was found

Which tool is commonly used to test a rock's hardness, a physical property?

• Thermometer

• Dropper with acid

• Streak plate

• Steel nail or glass plate

Why is it important to compare physical and chemical properties of rocks?

• To know if rocks are safe to eat

• To understand their uses and how they were formed

• To make them look better

• To change them into metals