Energy
True or False-
If energy is increased, then speed is decreased.
What is False
Plants get the materials they need for growth chiefly from these two things.
What is air and water?
Your shadow is the shortest/smallest during this time of day.
What is noon?
What would change in the sound wave if you adjusted the volume of your voice?
amplitude, frequency, or pitch
what is amplitude
What do you call energy from the sun?
Where does a basketball have the most kinetic energy?
in the air heading towards the basket
in the hands of the referee during a timeout
in the hands of a player before a pass
in the air heading towards the basket
This scientific process is how plants take matter that is not food (light, air, water, and soil) and turn it in to matter that is food.
What is photosynthesis?
Kyle found a small, round, smooth rock when walking by a creek. Which sentence tells what might have happened to the rock?
The rock was weathered by water, sand, and other rocks.
The rock came out of the inside of a larger rock that broke.
The rock came out of a volcano and rolled down the mountain.
What is- The rock was weathered by water, sand, and other rocks.
Which answer choice correctly describes amplitude?
Amplitude measures the distance a sound wave can travel.
Amplitude measures the length of a sound wave.
Amplitude measures the amount of energy in a sound wave.
what is- Amplitude measures the amount of energy in a sound wave.
What is the breaking down of rocks?
What is Weathering?
Marla is investigating kinetic energy by observing races between her classmates. For each race, she asks two classmates to wait at a starting line and she times their race until they reach the finish line. Based on her investigation, do the runners have more kinetic energy during the race, before the race, or after the race ends?
What is -The runners have the most kinetic energy during the race.
If you go far enough down the food chain, food of almost any kind of animal can be traced back to _____.
What is (Producers) plants?
Sam blew out through a straw and directed his breath at a pan of sand
Sam is showing the rest of his class how the wind _________ the land.
weathers , erodes,
deposits rocks on
what is erodes
Radio waves can be used to transmit information. What is an advantage of this method in computer technology?
Computers can run faster.
Computers can be wireless.
Computers can store more data.
What is- Computers can be wireless.
The dropping off of weathered rock at the end of erosion.
What is deposition?
Which of these is NOT a source of potential energy that can be transformed into another form of energy:
Coal, food, gasoline, or the sun
What is the Sun?
This process eventually restores (recycles) some materials back to the soil after a plant or animal's death.
What is decomposition?
For many centuries, rocks on the side of a cliff formed a face that people called the Old Man of the Mountain. Then the rocks fell off.
Which statement BEST explains why the rocks broke off the cliff?
Blowing winds smoothed away the jagged rock pieces.
Freezing and thawing cracked the rocks into smaller pieces that fell due to gravity.
what is- Freezing and thawing cracked the rocks into smaller pieces that fell due to gravity
Satellite communication is only possible using.
analog transmission.
digital transmission.
sound waves to transmit signal.
What is-digital transmission.
Something that slows or stops the flow of energy, such as heat, electricity, or sound
What is an insulator?
Maddie and Juan were given the task of trying to cook a s'more using the Sun! They built this oven using a box and aluminum foil. After setting up the device, they put four s'mores in the box. Ten minutes later the s'mores were hot and ready to eat.
Radiant energy was transferred to...
What is heat energy
Consider the model of the food chain. Imagine there is a herbicide poison spill and all the grass is killed. How will this influence the food chain model?
All of the consumers will decrease.
Sam hated the long nights of winter! His mother called him in from playing so early: around 4:30 PM! It is usually dark out when Sam is eating supper. In a week's time, Sam began to see the signs of spring. Flowers began to bloom; the grass got greener. What observation did Sam make about daylight?
The days were getting a little longer every day.
The days were getting shorter and shorter.
what is-
The days were getting a little longer every day.
Which body fossil gives scientists information about how an animal moved?
bones, brain, skull, teeth
What is bones?
A. Dead organism is buried in muddy layers.
B. Dead organism rots.
C. Organism dies.
D. Dead organism falls into mud.
E. Layers of mud harden over time.
F. Impression of organism remains.
What is -C-D-A-B-E-F