Science Quiz Grade 4

A solid has a definite shape and a definite volume. This means:

Some animals, like dogs, can hear sounds at higher frequencies than humans can. This means they can hear sounds that are:

An electromagnet is a temporary magnet made by wrapping a wire around an iron core and running electricity through the wire. When the electricity is turned off, the electromagnet:

Pollinators, such as bees and butterflies, transfer pollen from one flower to another. What is the benefit to the plant of this process?

Matter can exist in three main states: solid, liquid, and gas. What happens to the particles (atoms) in a solid when you heat it up?

Your muscles attach to your bones with the help of tough, fibrous tissues called:

• Ligaments

• Cartilage

• Nerves

• Capillary

When you hit a drum, the sound waves travel outward from the drum. What can happen to the sound waves when they reach a wall?

• They disappear completely.

• They bounce back in the opposite direction.

• They get absorbed by the wall and make no sound.

• They change color and become a different kind of wave

Everything around you, from your clothes to your toys, is made up of matter. What are the smallest building blocks of matter that make up everything?

• Planets

• Atoms

• Molecules

• Stars

If you see a creature with feathers, wings, and a beak, you can safely classify it as a:

• Mammal

• Bird

• Fish

• Insect

Sunflowers are tall plants with large yellow flower heads. What part of the sunflower that we might eat is actually the flower's:

• Stem

• Leaf

• Seed

• Petal