Spiral Review 13

Why is it important to study fossils? (Earth,L5)

•  To get dinsaur DNA
• Learn about the environment and location of the area from long ago.
• To make better rocks.
• The find molds and casts.

How does distance affect sound? (Sound.L7)

• Closer sounds are softer.
• Westward sounds are louder.
• Sounds farther away are softer.
• Eastern sounds are louder.

An animal that seeks food at night and shelter during the day is ________________. (O&H. L1)

• nightowls
• nightly
• nifty
• nocturnal

How is an igneous rock formed? (Earth.L6)

• Pressure from rocks above.
• Pieces of rock cemented together.
• Cooled magma.
• From dinosaur fossils.

What is condensing? (Matter.L2)

• Liquid water turning into water vapor.
• Frozen water melting into liquid water.
• Liquid water freezing into a solid.
• Water vapor turning into liquid water.

A guitar has six strings. The first string is very thin, and the sixth string is much thicker. This is true so that the guitar can produce different ______________________.  

• pitches
• sounds
• sirens
• tones

A mountain area that has a flat top is called a ____________________. (Earth.L1)

• peak
• valley
• plain
• plateau

No matter whether an object is dropped or thrown, it will always fall toward _____________  ____________________. (SoundMotion.L4)

• Earth's surface
• in the trees
• underground
• in the Eath's core

What role does a worm play in the food chain? (O/H.L5)

• sunlight
• producer
• consumer
• decomposer

How can you produce heat with your hands? (Matter.L4)

• rubbing
• switching on a light bulb
• making fire
• using electricity