Earth
When volcanoes erupt, they can release large amounts of hot liquid rock (lava) and clouds of hot ash and dust. What is one negative effect this has on the animals living in the area?
Identify TWO things from the environment a green plant needs to survive.
Air/oxygen, carbon dioxide, nutrients, sunlight, water, space
Why would a metal paper clip conduct electricity?
Most metals are conductors.
A fox grows thicker fur as the seasons change. This adaptation helps the fox to....
Keep warm
Which type of energy is produced when a bell rings?
Sound
Windy, cloudy, and rainy are words that help describe...
Weather
Which season would a white rabbit be best protected from predators? Why?
Winter because it blends in with the snow
What is one reason a circuit might not work?
battery broken, lightbulb broken, wires not connected, an insulator is connected
What is the first stage in a plant's life cycle?
Seed
A student crumbles up a piece of paper. Which property of the paper changed?
shape
A company built several houses in an area where there were originally trees and plants. What is one way animals living here will be affected?
Less food, pollution, loss of habitat, more noise can scare them
How do the sharp spines on a cactus help it survive?
They keep animals away from the plant
I have two magnets on my fridge. Magnet A can hold 3 pieces of paper, but Magnet B can only hold 1 piece of paper. Why?
Magnet A is stronger, magnet B is weaker
What is one way trees respond when winter changes to spring?
Leaves grow, flowers grow, trees grow
Which sense can be used to determine an object's ability to reflect light?
sight
After lots of heavy rain, the amount of runoff increases. Explain one way the runoff could affect the environment.
flooding, pollution, plants/trees washed away, habitats harmed
What is the function of the roots?
To absorb water, get nutrients, anchor the plant
If you drop a rock in a glass of water, the water level will...
a. decrease
b. increase
c. stay the same
A butterfly lays an egg. The egg hatches into a larva. The larva becomes a pupa and then changes into a butterfly. This process is called....
a life cycle
What force causes rocks to roll downhill?
Gravity
How long does it take for Earth to rotate on its axis 7 times?
7 days, 1 week
Plants' seeds are spread in different ways. Describe TWO ways that a plant's seeds can be spread.
Carried by wind, sticking to animals/humans, water
A ramp is an example of which simple machine?
inclined plane
How does a duck's webbed feet help the duck?
Swim in water
Which type of energy is needed to cut a piece of wood into smaller pieces with a saw?
mechanical