A bee flies from flower to flower and pollen sticks to its legs. What job is the bee helping with?
Pollination?
Which sense organ helps a deer detect the smell of a predator?
The nose
You can clearly see an object through clean glass. Is the glass transparent, translucent, or opaque?
What must happen for electricity to travel through a simple circuit?
The circuit must be closed or complete.
Toast comes out of a toaster hot. What type of energy was transferred?
Heat energy
Name two ways pollen can move from one flower to another.
Possible answers: Wind, insects, birds, or other animals.
A rabbit hears a fox nearby. Which organ detects the sound?
The ears
Wax paper lets some light through, but objects behind it look blurry. What type of material is it?
Translucent
A battery, wires, and a bulb are connected, but there is a gap between the two wires. Will the bulb light?
No, the circuit is open.
When you pull back a rubber band and hold it, what type of energy is stored?
Stored or potential energy
A plant in a dry area has thick leaves that store water. Why would that structure help it survive?
It helps the plant store water so it can survive in a dry environment.
It helps hide or camouflage the fawn from predators.
Can you see a regular book in a completely dark room? Explain.
No, because light must reflect off the book and enter your eyes for you to see it.
A bulb in a circuit is very dim. What could you change to make it brighter?
Use a stronger or new battery.
You release the rubber band, and it flies forward. Stored energy changed into what type of energy?
Motion energy
A plant's roots absorb water, its stem carries the water, and its leaves make food. What does this show?
It shows that plant parts work together to help the plant survive.
Put these in order: brain sends a signal, legs run, ears hear a predator.
Ears hear a predator > brain sends a signal > legs run
Complete the path of light so you can see a tree outside: Sun > _____ > _____
Sun > Tree > Eye
Match each device with its main output: flashlight, radio, smartphone.
Flashlight > Light
Radio > Sound
Smartphone > Sound and light
Two identical balloon cars are tested. Car A has a little air and travels 200 cm. Car B has more air and travels 400 cm. What conclusion can you make?
More air provided more energy, causing the car to travel farther.