Unit 1 and 2
What is a hypothesis?
A guess
Name 2 functions of the skeleton.
Move, protect, support
Name 1 feature of a Plant cell that is NOT found in an animal cell?
Cell wall, large vacuole, chloroplast.
Name 3 different types of rocks.
Igneous, sedimentary, and metamorphic.
Name 2 types of energy transfers that can be transformed from electrical energy.
Sound and light
What is a conclusion?
Answer to a question based on evidence from the experiment.
What part of the skeleton is responsible for keeping the brain safe?
Cranium/ skull
What change in state is 'boiling"?
Liquid to gas.
What type of rock is made from magma?
Igneous rock
If an object is hot... what type of energy does it possess?
Thermal Energy
Name 4 parts of a plant.
Stem, leaf, roots, flowers
What is the function of the stem and the roots of a plant?
Stem- holds the leaves and flowers above the ground.
Roots- hold plant firmly in the soil and absorb water and minerals from the soil.
What happens to liquid when it is boiled?
It evaporates.
Limestone sometimes contain fossils of animals. Limestone is an example of what type of rock?
Sedimentary rocks
Name 2 energy transfers that can be present from an object possessing Thermal energy.
Heat and Light.
What organ system is responsible for the digestion of food?
Digestive System
What is decay?
Break down of organic matter.
If a substance is purple and has a pH of 13. What kind of substance is this?
Strongly alkaline.
What unit is used to measure mass and weight?
Mass- kilograms
Weight- newtons
In which direction is the Sun the it rises?
During the day, we see the Sun appear to move across the sky. Why?
East
The Earth turns around once every day
What are the 5 main organs in the respiratory system?
Trachea, lung, bronchus, ribs, Diaphram
Name 6 parts of a plant cell.
Cell wall, cell membrane, cytoplasm, large vacuole, chloroplast, nucleus.
What is the pH for substances that are:
Neutral
Strongly Acidic
Weakly Acidic
Weakly alkaline
pH7
pH1
pH4
pH 10
Chemical, elastic, electrical, gravitational potential, heat, kinetic, light, thermal, and sound.
Stored Transfers
Chemical Heat
elastic Light
Electrical Sound
gravitational Potential Electrical
kinetic
thermal
Put these items in order from smallest to biggest.
a star, a planet, an asteroid, the Universe, a galaxy, the solar system
An asteroid, a planet, a star, the solar system, a galaxy, the universe