Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science Final
| Question | Answer |
|---|---|
| What speeds up cell reactions | amino acids |
| You shiver when it is cold, your body sweats when it is hot. This process relates to which of the following characteristics of living things? | Respond to change |
| New organisms are produced either by sexual or asexual reproduction. How are both of these way similar? | both have DNA |
| A phospholipids tail is | Not attracted to water |
| A phospholipids head is | Attracted to water |
| How does water CHEMICALLY break down rock | Acids in water react to substances in the rock |
| What type of place would experience the most weathering? | Lots of Rain, really hot summers, and freezing winters |
| Rocks in a river become ______________ because the surfaces are worn away. | Smoother |
| What is oxidation? | oxygen in air combines with elements in the rock causing chemical weathering in the rock |
| In the water cycle the sun causes | Evaporation |
| What landform results from river and stream erosion? | river channels |
| What are streams and creeks that flow into the Casselman River called | Tributaries |
| When the water table is above earth's surface what forms? | Lake |
| What do you call a system of many small streams / rivers that combine and drain into the ocean | watershed |
| Rain, sleet, hale, and snow are examples of what during the water cycle. | precipitation |
| How do caves form? | Overtime acidic water erodes caves from tiny cracks and seams in limestone |
| How does a sea arch form? | |
| What landforms are caused by glaciers? | flat surfaces, valleys, ridges, outwash plains |
| How is sand created? | waves hit rock which makes sand |
| To make food what materials do plants need? | water and carbon dioxide |
| What is the passing of biological traits from one generation to the next? | Heredity |
| What type of molecule is starch? | Complex carbohydrate |
| What type of organism gets nutrients form eating other organisms? | consumer |
| What do all living things have in common? | DNA, Cells, Respond to environment, Grow, use energy, |
| What is different about Archaea and Human cells? | In Archaea each cell must perform all life functions, human cells work together |
| The mitochondria produces what? | ATP |
| What is the job of the lungs | Move oxygen from air into blood |
| What types of cells differentiate? | multicellular organisms |
| What is the function of chloroplasts | convert sunlight, carbon dioxide, and water in sugar and oxygen |
| Why is it harder to see animals cells in a microscope compared to plant cells | Plants have cell wall, animals cells do not |
| In a human the simplest form of life to most complex | cell, tissues, organs, organ system |
| What does the cell membrane do? | seperates the cell from environment, controls the movement of materials into and out, wastes move through membrane |
| Archaea live in extreme __________________, bacteria do not. | environments |
| How are bacteria classified? | How the get their food |
| How can people protect themselves before they become infected by pathogenic bacteria | vaccines |
| What is a characteristic of Cyanobacteria? | They can make their own food |
| How do viruses harm organisms? | The Lytic cycle results in burst cells |
| What do viruses and bacteria have in common? | They have DNA |
| What are the shapes of bacteria and viruses | Bacteria - rod, sphere, spiral Virus - Crystal, sphere, cylinder, spacecraft |
| Why are virus not living? | Viruses don't eat, grow, develop, or need air |
| What pair of forces are balanced | 10 N North and 10 N South |
| Friction acting on a rolling ball that eventually brings it to a stop is an example of what? | unbalanced force |
| A picture is hanging on a nail in the wall. What forces are interacting the most with the picture | Gravity and friction |
| If balanced forces act on a n object what is the outcome that should be expected | the objects acceleration will be zero |
| Gravity depends on what two things? | Mass and distance |
| If a simple machine decreases the input force require it does so by | Increasing the distance over which the input force is exerted |
| A wheelchair ramp 8m long and .8m high what is the ramp's mechanical advantage | 10 |
| A movable pulley input force is 20 N. What is the output force? | 20 N |
| How can you make a wheelbarrow better for lifting things | increase the distance |
| Give an example of a third class lever | stapler |
| What is a machine | device that makes work easier |
Created by:
benbaker888
Popular Science sets