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Yr7 Science Semester 1 Flashcards | StudBud
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Yr7 Science Semester 1
Yr7 Science Semester 1
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Science quiz questions on safety, equipment, classification, adaptations and experiments.
Flashcards
40 cards
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Questions
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Answers
1
What is changing state from a gas to a solid called?
Sublimation
Deposition
Condensation
Evaporation
2
What does a Geophycist do?
Studies heavenly objects
Studies geometric shapes
Studies the movement of the Earth & its surface
Studies moving objects in space
3
Which Kingdom do Mushrooms belong to?
Fungi
Monera
Protist
Plant
4
What type of reaction is Oobleck?
Chemical
Physical
Metamorphic
Mixture
5
Which experiment showed the properties of solids?
Ball and Hoop
Lemon and Limes
Beam Balance
Hot Rods
6
Where do you put the match after lighting a Bunsen Burner?
Disposal Tin of Sand
Sink
Bin
Heatproof Mat
7
Which way does the energy flow in this food chain?
Stays with the Phytoplankton
To the shark
To the Phytoplankton
Into each fish
8
Which branch of Science, studies living things?
Chemistry
Physics
Humanology
Biology
9
A chemical reaction between Vinegar and Sodium Bicarbonate produced what?
Bubbles of carbonate
Solution and Carbon Dioxide bubbles
Cloudy water
Curds and Whey
10
What are particles doing in a LIQUID?
Moving about
Dancing about
Sliding over each other
Nothing
11
What is NOT a property of a liquid?
Particles have a fixed shape and volume
Are compressible
Fill the container
Molecules flow over one another
12
Which state of matter, are often colourless and odourless?
Liquid
Plasma
Gas
Solid
13
Which is NOT a reason for an animal to adapt to its environment?
Urbanisation
Abundance of food
Habitat Changes
Species introduced
14
When heating a liquid with the Bunsen Burner, what equipment do you require?
Bunsen, heatproof mat, beaker
Bunsen, heatproof mat, beaker, tripod, gauze
Bunsen, beaker, tripod, thermometer
Bunsen, heatproof mat, beaker, tripod
15
At what temperature, is PLASMA likely to exist?
Between 1000-3000°C
Between 600-1000°C
Between 300-600°C
Greater than 6000°C
16
What is changing state from a liquid to a gas called?
Freezing
Evaporation
Melting
Condensation
17
Graphing changes of state, what does it show when the substance is between states?
Dip in graph
Rise in graph
Flattening of graph
No change in graph
18
Animals physically adapt to their environments in a number of ways. Which is NOT one of them?
Claws
Scavengers
Senses
Camouflage
19
What do you observe, with the Safety flame?
Yellow flame, collar closed
Blue flame, collar closed
Blue flame, collar open
Yellow flame, collar open
20
Why did the egg float?
It sucked in some air!
Salt water solution below egg
Dead egg
Bubbles made it
21
What solution turns cloudy when you blow into it?
Lemon Water
Lego Water
Lime Water
Loser Water
22
What is NOT a physical property?
Temperature changes when boiling or freezing
Density
Solid, Liquid or Gas at room temperature
Rusting or Corroding
23
Which substance is slightly denser than water?
Glycerine (red)
Dishwashing Soap (yellow)
Ethanol (green)
Refined Oil (pale yellow)
24
What are particles doing in a GAS?
Nothing - they're gassed!
Spread apart
Dancing about
Moving rapidly
25
What is the scientific name for substances packed into a given space or volume?
Density
Concentrated
Consentrated
Destiny
26
Oobleck is considered a.......?
Non Newtonian Fluid
Liquid
Solid
Newtonian fluid
27
Which state has the highest level of thermal energy?
Plasma
Liquid
Solid
Gas
28
Scientist sort organisms into groups through classification. In which order does it go?
K C F O G P S
K P C O F G S
K P O F C G S
K C P G S F O
29
Which is NOT a chemical property?
Colour or texture
Bubbles
Reaction with acid
Burns or explodes in oxygen
30
What type of animal is a starfish?
Cniadarians
Echinoderm
Annelid
Cartilaginous
31
What is an animal with an exoskeleton and jointed legs called?
Arachnid
Annelid
Arthropod
Ave
32
What are the particles doing in a SOLID?
Vibrating
Dancing about
Nothing
Waltzing
33
What is an animal that is considered cold blooded but has a changing body temperature called?
Excellent
Endothermic
Ectothermic
Exoskeleton
34
What do we use to classify objects?
Dicutomous Key
Columns
Dichotomous Key
Groups
35
What does NOCTURNAL mean?
Sleeps during the day
Active at night
Active during the day
Sleeps at night
36
What is the primary consumer in this food chain?
Frog
Hawk
Cricket
Snake
37
How many Kingdoms are there on Earth?
3
5
1
2
38
What model is made up from tiny substances that have energy and move faster when heated?
Atomic Model
Quantum Model
Proton Model
Particle Model
39
Which substance has the highest density?
Iron
Diamond
Foam
All the same
40
What is the name of special mammals that lay eggs?
Placental
Marsupial
Mutant
Monotreme
