Morning Science 44

Front

What is the effect of smiling on martial artists before a match?

Back

Martial artists who smile before the start of a match are more likely to lose.

Front

What is an example of a bird interacting with a nonliving part of its environment?

Back

Reacting to morning sunlight by singing, drinking and taking a bath in a puddle of water, and responding to cold temperatures by fluffing its feathers are examples. Feeding insects to its chicks is not.

Front

What is erosion?

Back

Erosion is the process where pieces of rock or soil are carried from one place to another.

Front

Why are wires carrying electricity usually covered with plastic?

Back

Plastic is a good insulator, which helps prevent electricity from starting a fire.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from layers of sediment that are compacted and cemented together.

Front

What is the role of sunlight in a bird's environment?

Back

Sunlight can affect a bird's behavior, such as singing in the morning.

Front

What happens to rocks during erosion?

Back

Rocks are broken into smaller pieces and transported to different locations.

Front

What is the relationship between temperature and a bird's feathers?

Back

Birds fluff their feathers to keep warm in cold temperatures.

Front

What is the process of compaction in sedimentary rock formation?

Back

Compaction is when pressure compresses layers of sediment, turning them into rock.