What type of rock would normally form at the bottom of a river?
Igneous
Metamorphic
Sedimentary
Volcanic
Plants convert sunlight into food using a process called what?
Mitosis
Germination
Pollination
Photosynthesis
What is the chemical compound found in the outer skeleton of insects, lobsters and crabs called?
Keratin
Melanin
Chitin
Collagen
What is the biggest planet in the Solar System?
Earth
Jupiter
Neptune
Saturn
There are more than 30,000 recognized species of fish on Earth. What organ do fish use to breathe?
The ___ that Earth is in is called the Milky Way.
Cluster
Universe
Solar System
Galaxy
What is the thighbone called?
Palatine
Patella
Ethmoid
Femur
Which layer of Earth's atmosphere do planes fly in?
Mesosphere
Stratosphere
Thermosphere
Troposphere
In the scientific classification system, what comes between "class" and "family"?
Order
Genus
Species
Phylum
What system is responsible for the removal of waste from the body?
Circulatory system
Renal system
Muscular system
Endocrine system
Where might you find your epiglottis?
True or false: Thomas Edison discovered gravity.
Is a hot air balloon a solid, liquid, or gas?
Which gland regulates metabolism?
Pituitary
Hypothalamus
Adrenal
Thyroid
What is the axial tilt of the Earth?
23.5 degrees
24.5 degrees
12.7 degrees
17.5 degrees
How many elements are on the periodic table?
What is the freezing point of water?
0 degrees Fahrenheit
100 degrees Fahrenheit
212 degrees Fahrenheit
32 degrees Fahrenheit
Earth's atmosphere consists mostly of?
Hydrogen and helium
Oxygen and hydrogen
Carbon dioxide and argon
Oxygen and nitrogen
What orbits around the Earth?
Satellites
The Moon
All of these
Asteroids
How long does it take for Earth to make one rotation on its axis?
7 days
28 days
365 days
24 hours
What part of a microscope holds a specimen in place?
Illuminator
Stage clips
Nosepiece
Arm
The rate at which velocity changes over time defines which of the following?
Momentum
Accretion
Oscillation
Acceleration
What are the three kinds of blood vessels?
Vines, arteries, and capillaries
Veins, arthritis, and capillaries
Veins, arteries, and capillaries
Veins, arteries, and caterpillars
Which planet does the moon "Titan" orbit?
Saturn
Neptune
Venus
Mercury
Ornithology is the study of which creatures?
Cats
Birds
Spiders
Mammals
3 Comments
um.. what grade is this me grade 3 in primary
25/25 aewsome
23/25