Science STAAR Review 4

Boiling of acetone is 50.5C. What is the difference between boiling point of water and acetone?

• 100 degrees C
• 0 degrees C
• 45 degrees C
• 49.5 degrees C

Which of the following is the best conductor of electricity?

• Copper penny
• Aluminum foil
• Glass marble
• Plastic tube

How can a glacier change a mountain?

• Generate a volcanic eruption
• Cause a powerful earthquake
• Make a mountain grow taller
• Change a shape of a valley

Which forces can create landforms, such as canyon, delta, and dunes?

• Volcanic eruptions
• Earthquakes and landslides
• Moving wind and water
• Planetary movement

Which of these traits could the crawfish have inherited from its parents?

• The average distance it travels a day
• The amount of food it eats each day
• The number of legs it has
• The types of plants in its habitat

Which of the following is the best example of an object absorbing light?

• A black sweater in the sun
• A clean window in the sun
• A curved mirror in the sun
• A long shadow in the sun

Which is the true statement in difference between complete and incomplete metamorphosis?

• Incomplete metamorphosis has two adult stages
• Complete metamorphosis has no pupa stage
• Complete metamorphosis has two egg stages
• Incomplete metamorphosis has no larva stage

Finding fossil fish bones in the sedimentary rocks means that in the past it was covered by

• Sand
• Rocks
• Water
• Plants

Tides are the result of forces exerted on Earth’s oceans mostly by which celestial body?

• The Sun
• The Moon
• Jupiter
• Earth

The diagram shows Earth and the Sun. Which place on Earth is about to experience sunrise?

• A
• B
• C
• D