Science Stage 9 Review | Baamboozle - Baamboozle

Endothermic or Exothermic. Melting of Ice.

Endothermic

Which object in the Solar System has the largest gravitational strength?

Sun

What do you call the supercontinent that incorporated almost all of Earth's landmasses in early geologic time?

Pangaea

What would happen to the voltage when you add more components (lamps) in a parallel circuit?

stay the same

What would happen to the current when you add more components (lamps) in a series circuit?

decrease

What is the value of R when the voltage is 15V and the current is 4A

3.75 ohms

What is the reading in Ammeter A?

2.4 A

What happens to the movement of particles when you increase the temperature?

faster

What happens wo the rate of reaction when you increase the particle size?

decreases

What is the independent variable?

time in s

Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. What mechanism of evolution is described?

natural selection

What is the basic unit of heredity passed from parent to child?

gene

What will be the sex of the offspring when an egg is fertilized by a sperm with a Y chromosome?

male

This theory provided the most evidence in explaining the formation of the moon.

collision theory

This happens when two wave of the same amplitude and frequency meet as shown in the picture.

Reinforce

Which letter represents high frequency?

B

What is the part of the wavefront labeled B?

amplitude

What happens to the sound when we decrease the amplitude?

produces quiet sound

What is the correct sequence of the reactivity series (most reactive to least reactive) of the following metals? copper, sodium, gold, zinc, and magnesium,

Sodium - Magnesium - Zinc - Copper - Gold

What process is used to separate insoluble salt from water?

filtration

What gas is released when a metal is reacted with a dilute acid?

hydrogen

What salt is formed from the reaction between zinc and hydrochloric acid?

zinc chloride

What are the products of neutralisation reaction?

salt and water

What are the reactants when a magnesium sufate and copper are produced?

copper sulfate and magnesium

Proteins, Fats, Iron or Carbohydrates. Which of the following is recommended to be consumed in bigger amounts to a pregnant woman?

iron

This refers to the loss of water vapour from leaves.

transpiration

Which of the numbered part of the urinary system filters the blood?

1 - kidneys

What is the part of the urinary system labelled 2?

ureter

Which car would have lower temperature inside when left under the scorching heat from the sun for 5 hours?

white car

What is the wasted / dissipated energy when you turn on the TV?

heat

What type of energy transfer is happening in the boiling water?

convection

What is the unit of heat?

J / Joules

An object has a mass of 30g and a volume of 50 cm3. Will it sink or float in water?

float

What is the trend in size of the atom as you go down the group in Group I metals?

increasing

This refers to the intermolecular attraction of 2 non-metal atoms.

covalent bond

What is the electronic structure of Sulfur?

2-8-6

What is the valence electron Magnesium?

2

What is the name of the element?

sodium (Na)

What mineral is needed to make chlorophyll?

magnesium

What is process shown in the gif that contributes to releasing carbon dioxide into the atmosphere?

combustion

This refers to the process by which cells derive energy from glucose and release carbon dioxide into the air.

respiration

In which vessel does water travel in plants?

xylem

What are the products in photosynthesis?

glucose and oxygen