What is the control centre of the cell that contains genetic material called?
Nucleus
Which planet is the closest to the sun?
Mercury
What state of matter is represented below?
Liquid
What is the following method of heat transfer called?
Conduction
Is the moon a luminous or non-luminous object?
non-luminous
What 2 chemicals does photosynthesis produce?
oxygen and glucose
What direction would the car move in?
It would stay still.
What causes day and night?
The Earth spinning around.
What type of rock forms from a volcanic eruption?
igneous
Would the two magnets be attracted or repelled?
Repelled
What is the unit we use to measure the pitch of sound?
Hertz
What two things are needed for aerobic respiration?
oxygen and glucose
Fill in the missing blank:
Cell ----> ______ -----> organ -----> organ system ----> organism
Tissue
What is the closest star to planet Earth?
The Sun
What is it called when a gas turns into a liquid?
Condensation
Why can heat travel by radiation from the Sun through empty space?
Radiation travels by waves, doesn't need matter.
What colours is the following object absorbing and reflecting?
Reflecting: Green
Absorbing: Red Orange Yellow Blue Indigo Violet
What is produced by anaerobic respiration?
Lactic acid
What is the name of the instrument we use to measure forces?
Newton meter
How would an astronaut's weight be different when they are on the Moon instead of Earth?
It would be lower
What is the process of rock being eroded and carried away called?
Weathering
List 2 different ways to increase the strength of an electromagnet
Increase current, increase number of coils, use an iron rod in the middle.
Does a sound wave travel fastest in a solid, liquid, or gas?
Solid
Why would our muscle cells use anaerobic respiration instead of aerobic respiration?
Not getting enough oxygen.
Where in a plant would you find cells packed with chloroplasts?
Leaf (Palisade cells)
Why is it difficult to say whether or not Pluto is a planet?
It has some but not all features of a planet.
Which ink colour is a mixture of two other inks? (Give the letter)
C
Why does hot air rise above normal temperature air?
Heat causes expansion and the air becomes less dense.
At what angle would the ray be reflected at?
46o
What is the part of the enzyme where reactions happen called?
Active site