Cells and Life Science
This organelle controls what enters and exits the cell.
👉 Answer: Cell membrane
A front that brings short storms and heavy rain.
👉 Answer: Cold front
When ice is placed in hot tea, what happens?
👉 Answer: Ice melts and tea cools until equilibrium
Water vapor turns into clouds during this stage.
👉 Answer: Condensation
In which direction do particles move in a sound wave?
👉 Answer: Parallel
This organelle contains DNA.
👉 Answer: Nucleus
This front brings light rain over a long time.
👉 Answer: Warm front
As temperature decreases, molecular motion does what?
👉 Answer: Slows down
Water that is stored underground in layers of rock and soil is called what?
👉 Answer: Groundwater
In which direction do particles move in a light wave?
👉 Answer: Perpendicular
Which structure makes food using sunlight?
Answer: Chloroplast
Land breezes happen because land cools faster than water.
👉 Answer: True (land loses heat faster)
A metal spoon is left in a cup of hot soup. After a few minutes, the handle becomes hot. What type of heat transfer is this?
👉 Answer: Conduction
Which two processes are directly responsible for forming minerals in the rock cycle?
👉 Answer:
Melting and crystallization
What is the bending of light as it passes between materials called?
👉 Answer: Refraction
What is the basic unit of all living things?
👉 Answer: Cell
Seafloor spreading is evidence of what?
👉 Answer: Plate movement
Why do materials that contain air (like foam or fabric) make good insulators?
👉 Answer:
Because air slows down the transfer of heat
Which process changes rock at Earth’s surface by breaking it down into smaller pieces?
👉 Answer:
Weathering
What is it called when light bounces off a surface?
👉 Answer: Reflection
Why is yeast considered alive?
👉 Answer: It has cell structure
What weather system causes the most damage with low pressure and warm water?
👉 Answer: Hurricane
What happens to energy from solid → liquid → gas?
👉 Answer: It increases
How does increased temperature affect the water cycle?
👉 Answer: Increases evaporation and precipitation
Which state of matter has the greatest molecular motion?
👉 Answer: Gas