WorksheetsWeek 1.7 (22-23)
Total questions: 23
Worksheet time: 25mins
Energy produced by a moving part, moving animal, or moving machine.
thermal
electrical
mechanical
light
sound
Which material is a conductor of electricity?
Wool
Plastic
Copper
Glass
The process of breaking up, wearing away, and dissolving of rocks on Earth's surface is called...
deposition
weathering
erosion
sediment
A solution is made using 100 ml of water, and 20 g of salt. What is the best way to separate this solution
Pour the mixture through a strainer
Add 100 ml more of water
Use a coffee filter
Evaporate the water on a hot plate
A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?
If plants are placed in direct sunlight, then they will grow more green leaves.
If plants are places in bright light, then they will grow more green leaves than in dim light.
If plants are place in clay pots, then they will grow more green leaves than plastic pots.
If plants are in warmer temperatures, then they will grow more green leaves.
A student is studying the effect of sunlight on plants. The student developed this hypothesis: Plants need light to make food and to grow properly. To conduct a controlled experiment, which method should she use?
Choose two identical plants; put one in the dark and one near sunlight; use the same amount of water; water both regularly
Choose a healthy plant; put it in a dark place; use clean water; water the plant regularly.
Choose two identical plants; put each in the dark for 12 hours and then light for 12 hours; use the same amount of water; water both regularly.
Choose three identical plants; put one in the dark, one near sunlight, and one in the shade, water only the plant in light.
What causes wind to blow?
Differences in longitude
Shock waves from clouds
The Sun causes differences in air temperature and pressure
The rotation of the earth
When thermal energy is increased in a solid, what change in state is happening?
Melting
Evaporation
Freezing
Condensation
An experiment is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded. What is the independent variable?
The type of cleat
The athlete
The 100 meters
This is a type of mixture where one substance dissolves into another
Solution
Miscibility
Compound
Solubility
Steel, Iron, Nickel and cobalt are all __________________
shiny
poles
magnetic
cold
