ecology
Mountains belong to which sphere of the earth?
1.Biosphere
2.Lithosphere
3.Hydrosphere
4.Atmosphere
LIthopshere
Atoms and elements
An____ is a substance that cannot be broken down into a simpler substance.
Awnser_____
An element is a substance that cannot be broken down into a simpler substance.
The strength of the force between charged objects is related to the A.…….. Between objects and the B………………. On each object.
Distance
Amount of charge
Answer
A
B
THERE ARE _____ WHMIS SYMBOLS.
Answer: 9
The population includes both abiotic and biotic features.
True or false
False
True or false
The number of electrons is called elements Atomic number
Answer
False
When your cat rubs against a balloon what is the process called?
Charging by conduction
Charging by friction
Charging by induction
Answer
A
Which of these Following are steps are involved in the Scientific Method?
3
6
8
10
Answer: 6
The greatest threat to today’s species is human activity. the rate at which species become extinct has been steadily increasing because of human disruption to the ecosystem. Humans have been known to exploit new species when they have across them. About____species of birds and mammals biome extinct shortly after humans reached North America
over______years ago. These include the sabre-toothed cat. The mammoth and the stellar’s sea cow.
80
10,000
56
14
he greatest threat to today’s species in human activity. the rate at which species become extinct has been steadily increasing because of human disruption to the ecosystem. Humans have been known to exploit new species when they have across them. About 80 species of birds and mammals biome extinct shortly after humans reached North America
Over10000 years ago. These include the sabre-toothed cat. The mammoth and the stellar’s sea cow.
Which of the following is liquid temperature
1.gold
2. Copper
3. Mercury
4.iron
Answer
3
12.5 Charging by induction
True or false
A negatively charged rod induces a positive charge on the side of the pinball
Answer
True
Is the following statement True or false?
Well plate is used to test observe a chemical reaction
Answer: true