OAA test practice

Match it! Select the correct answer from the pull down...Good luck!

From which part of the plant does a bee get food?

Students build a circuit with a buzzer and switch. the students close the switch, but the buzzer doesn't buzz. What could be the reason?

What causes a blue block to appear blue in the sunlight?

What motion causes the pattern of day and night?

What would cause bicycle tires to feel warm on a cold day, after riding to the store?

A student wraps a wire around an iron nail then connects the wire to a battery. The nail attracts other nails and stick together. What force holds the two nails together?

Water is inside a popcorn kernel. When temperature increases the kernel explodes. What change in state of the water takes place inside the kernel causing the volume to increase?

What is the role of decomposers in a food web?