Cells & organ systems
Evolution
Outer Space
Matter & Forces
Waves
100
What does unicellular mean?
Made up of 1 cell
100
What is a fossil?
Part of a living organism preserved in rock or minerals for thousands or millions of years.
100
True or false. The Earth is a star.
False
100
Do bigger objects have more or less gravity?
They have more gravity.
100
Do waves carry matter or energy?
Energy
200
True or false: All living things are made out of cells?
True
200
What are some causes of weathering or erosion?
Water, wind, earthquakes, volcanic activities
200
Where does the moon get its light from?
It reflects the light from the sun.
200
True or false. All objects create gravitational pull
True
200
Why is there no sound in space?
Sound waves need matter
300
What do mitochondria do?
They provide energy for cells
300
What is evolution?
The process in which animals change over time to form new species
300
Why do we have leap-years every 4 years?
The earth rotates 365.25 days per year. Every 4 years it adds an extra day.
300
Is heat made up of matter or energy?
Energy
300
What is the measurement of the crest of the wave called?
Amplitude
400
Name at least 2 human body systems
integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems
400
True or false: Fossils are very easy to create.
False
400
What is wrong about this diagram of the solar system?
It is not to scale
400
Smallest unit of matter is called what? A ____ of plastic.
Particle
400
Can light waves travel through a vacuum?
Yes
500
what is Xylem?
The plant tissue that carries water and nutrients to other parts of the plant
500
What can do we learn by comparing a human skeleton to that of a whale and bat?
They all share similar features and therefore may all be related
500
What is the hottest planet in the solar system?
Venus
500
Name two of the three types of heat transfer.
Convection, Conduction, Radiation
500
Can you describe why leaves appear green?
Green light is reflected off the leaf into our eyes.